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HomeMy WebLinkAboutLetter of TransmittalRICHARD K. DAVIS CONSTRUCTION CORP. POST OFFICE BOX 186 — PHONE: 461-8335 FORT PIERCE, FLORIDA 34954 7 TO /V`R �/� ?ORE 5Gii61k �Z L !lC/� CoUNr3� A/6t LETTEa of "TRUSM URL DATE t/A / JOB NO. ATTENTION ' RE: ,aE Ao& /ES /v'- E / Alo. D 2 GENTLEMEN: WE ARE SENDING YOU ❑ Attached ❑ Under separate cover via ❑ Shop drawings ❑ Prints ❑ Plans ❑ Samples ❑ Copy of letter ❑ Change order ❑ the following items: ❑ Specifications COPIES DATE NO. DESCRIPTION d�✓ 98 l��i��ED Z5WY4:ZrG LGUIIIT/O l -.S/ �I/ �EAGE' THESE ARE TRANSMITTED as checked below: xFor approval ❑ Approved as submitted ❑ Resubmit copies for approval ❑ For your use ❑ Approved as noted ❑ Submit copies for distribution ❑ As requested ❑ Returned for corrections ❑ Return corrected prints ❑ For review and comment ❑ ❑ FOR BIDS DUE REMARKS 19 ❑ PRINTS RETURNED AFTER LOAN TO US COPY SIGNED: 4in.41y nnfifv ��e a}•nnrw_ —f— r— 1Utcheon Engineers fob -,,A5,-owlrx Subject -,.,jTo*k-9 e ea 7.4 Sheet No. 3 of 3 Job No. �VSJ7 --7b � T ' DIVISION OF ENGINEERING MEMORANDUM 99-082 ---------------- To: Martha Schurmann, Building Division From: David Hays, Enginee5pT701— Date: March 1.2, 1999 Subject: Aerex Industrial As -Built Acceptance Building Permit #980- 4 Engineering has reviewed the paving and drainage as-builts for this project and are excepting them for completion at this time. A copy of the Engineer's certification is attached for your records. If I can be of further assistance to you in this or any other matter, please let me know. cc: Donald West, County Engineer Charles Cangianelli, Code Compliance Manager File d 'LIAR 1 51999 COMMUNITY DEVELOPMENT l ST. LUCIE COUNTY, FL CULPEPPER a TERPEN I NG, INC. March 4, 1999 VIA: Hand Delivery Mr. David Hays Civil Engineer St. Lucie County Engineering St. Lucie County 2300 Virginia Avenue Fort Pierce, FL 34982-5652 In =1 ENGINEERING ►i Consulting Engineers • Land 2980 South 25th Street • Ft. Pierce, 34LF 9b P.O. Box 13360 • Ft. Pierce, FL 34979-3360 (561) 464-3537 • Fax (561) 464.9497\ Job No. 9340 \ Re: Aerex Industrial Building/St. Lucie County Airport Industrial Park Dear Mr.Hays: Please accept this letter as certification that the paving and drainage improvements for the Aerex facility in the St. Lucie County Airport Industrial Park have been completed in satisfactory compliance with the approved plans and specifications as prepared by this office. The only deviation of any substance is the addition of a curb along the eastern pavement to prevent erosion as the water drains off of the pavement surface into the adjacent drainage swale. Two (2) concrete flumes have been added along this eastern pavement line to collect the stormwater. Enclosed please find test reports on the subgrade for the project and a copy of record drawings for the paving and grading plan reflecting "as -built' elevations., Please note that the project consists of concrete pavements so there are no base course density test enclosed Tf uni, ehn„ m . ERASER ENGINEERING` 114D TESTING, INC. 350.1 INDUSTRIAL 33RD STREET FORT PIERCE. FLORIDA 34946 VERO BEACH (561) 567-6167 FORT PIERCE (561) 461-7508 STUART (561) 283-7711 Fr. PIERCE 1-800-233-9011 Report of DENSITY OF SOIL IN -PLACE ASTM D2922 CLIENT: Richard K. Davis Construction Corporation CONTRACTOR: Client SITE: Aerex Industries Phase 2 Slab Area DATE: July 20, 1998 PERM IT #: 9ffiffi DENSITY DATE LOCATION ELEVATION TEST TESTED NO. MOISTURE -DENSITY RELATIONSHIP IN PLACE DRY DENSrrY PERCENT [7ACTI[ON TEST MAX - --- NO. DRY VIT. 405 7/20/98 Map Location 1 0 - 1' 377 113.1 115.0 101.7 406 Map Location 2 0 - 1' 110.2 97.4 407 Map Location 3 0 - 1' 113.9 100.7 408 ! Map Location 4 0 - 1' 114.2 101.0 409 Map Location 5 0 - 1' 112.4 99.4 410 Map Location 2 - retest 0 - 1' 111.4 98.5 I S • •� •y �• i , ALL ELEVATIONS BELOW SLAB GRADE 1 N 03 N D ii JUL 2 01998 QQ ST. LUCIE COUNTY, FL , . ' Copies: Client - 1 St. Lucie County Building Department - 1 n a TtSTING, INC. POUNUA-1IUN INVESTIGATIONS GEOTECHNICAL CORPORATION CG C013084 - P.O. BOX 186 - FT. PIERCE, FLORIDA 34954 Jose Guanch Plans Review St. Lucie County Bldg. Dept. 2300 Virginia Avenue Fort Pierce, Florida 34982 Aerex Industries, Inc. Permit No. 98-040024 Attached you will find documents addressing your review comments of April 03, 1998 for the above referenced project: NO FLEX PIPING ALLOWED FOR JUNCTION BOX IN HAZARDOUS AREA. (350.2). RESPONSE: The electrical engineer, Garrison Electrical Consultants, Inc., has addressed this continent. Conduit shall be changed to a rigid type. PROVIDE ENGINEERED MECHANICAL VENTILATION FOR BUILDING. RESPONSE: The mechanical engineer for the project, Hutcheon Engineers, has addressed this comment in both calculations and instructions. Two (2) 12,000 cf n wall fans shall be installed on the north face of the building. Four 48" square fixed louvers shall be installed within the south wall of the building. BOLT SCHEDULE A14D FRAMING DETAILS. RESPONSE: The pre-engineered metal building has been ordered. Anchor bolt details for concrete work has been attached. Building framing details are not available as yet, but will be submitted prior to erection of any steel. PROVIDE EMERGENCY SHOWER. RESPONSE: We will be installing an emergency shower to the south and adjacent to the proposed restroom within the existing building. We shall use a Bradley S 19-120 Drench Shower with horizontal supply. MARTIN & ST. LUCIE 561-461-8335 - INDIAN RIVER 561-778-9188 • FAX 561-465-7665 i6s • Page Two Aerea Industries, Inc. Plans Review Comments ITEM#S: PROVIDE ADEQUATE RESTROOM FACILITIES. RESPONSE: Please refer to owner's letter. attached. Adequate restroom facilities already exist on site. They are contained within this building and two other buildings on site. Additional restroom facilities are planned in the next phase of construction. ITEM#6: PROVIDE A LETTER FROM THE OWNER STATING HOW MANY WORKING PERSONS PER SHIFT. (OFFICE AND MANUFACT- URING AREAS). RESPONSE: See letter from the owner attached. I believe that these responses will meet the pertaining code. Please do not hesitate to call on me should there be any further concerns. Thank you for your efforts in communicating these deficiencies to us. Sincerely, rjectManagerPries y ERE; April 17, 1998 Mr. Jose Guanch St. Lucie County Community Development Plans Review Section 2300 Virginia Avenue Fort Pierce, Florida 34982 re: Permit Number 98040024 Request for Revised Plans Note(s) No.: 5 & 6 Dear Mr. Guanch: �� 1� � � � C.ow11 • GV f' LL L • M `' `� Cw� ���� �tic • � S�-8✓ � � "I DUI) S ' O *1- KW f (Mv. 9.C.jcCVS5 T P. I o wpfir S i21ftC I k (off: CoNi�• cv 6Z�.�C6cv ��or� n G CSC' SUK�IF I This letter is in response to your request for revised plans associated with our building expansion under Permit Number 98040024. Hopefully some of the following items will clar- ify our present building status and our future plans for expansion. We presently have at this location a total of three buildings in which two of them have complete restroom facilities. The third building which was designed and constructed for offices is approximately 4000sf and has all of the underground water and sewer lines in place to suit the planned offices and restrooms(I can provide you with both the floor,and plumbing plans as they are currently drawn for this). At this time we are using this fa- cility for limited manufacturing because of our present lack of floor space. However, when the proposed expansion of 11,900sf is completed, I will then proceed with the con- struction of the offices and restrooms as planned. After all of the expansions and addi- tions as indicated have been completed, it is my intent on having a total of fifteen man- ufacturing employees and five office employees working in this 15,900sf facility. Some of these employees will be from our present workforce and additional employees will be hired from the surrounding St. Lucie County area. We feel that the construction of an additional restroom facilities in this 11,900sf ex- pansion will: create additional costs, unnecessary delays, a decrease in manufacturing floor space and the duplication of restroom facilities that have already been designed and planned for in the office building. Based on the information that we have provided above, please advise if the proposed rest - ,,room facilities as shown on the plans can be omitted from this expansion. If you have any additional questions or comments, please feel free to call me at anytime. Sincerely Thomas A. Donnick, Jr, President TAD/jdb 3504 Industrial 27th St. • Fort Pierce, FL 34946 • (561) 461-0004 • FAX (561) 467-0061 4-20-1 J98 1 : 24PM FROM ALKLA 1 NUUS 1 K 1 t5, 1 Ivt; a161 rib I I iota ERE ' INDUSTRIES, INC. April 17; 1998 Mr. Jose Guanch St, Lucie.County Community Development Plans''Review Section 2360 Virginia Avenue Fort Pierce, Florida 34982 re: Permit Number 98040024 Request for Revised Plans Note(s) No.: 5 & 6 Dear Mr.. Guanch: Post Ir Fax Note 7671 ate paps# 0�7� Fool CoMeptR,t ,ts co. rp Phone Phone # Fax ri --� F r r This letter is in response to your request for revised plans associated with our building expansion under Permit Number 98040024. Hopefully some of the following items will clar- ify our present building status and our future plans for expansion. We presently have at this location a total of three buildings in which two of them have complete restroom facilities. The third building which was designed and constructed for offices is approximately 4000sf and has all of the underground water and sewer lines in place to suit the planned offices and restrooms(I can.provide you with both the floor and plumbing plans as they are currently drawn for this). At this time we are using this fa- cility for limited manufacturing because of our present lack of floor space. However# .when the proposed expansion'of 11,900sf is completed, I will then proceed with the con- struction of the offices and restrooms as planned. After all of the expansions and addi- tions as indicated have been completed, it is my intent on having a total of fifteen man- ufacturing employees and five office employees working in -this 15,9008f facility. Some of these employees will be from our present workforce and additional employees will be hired from the surrounding St. Lucie County area. We feel that the construction of an additional restroom facilities in this 11,900sf ex- _pansion will create additional costs, unnecessary delays, a decrease in manufacturing floor space and the duplication of restroom facilities that have already been designed .and planned for in the office building. Based on the information that we have provided above, please advise if the proposed rest - room facilities as shown on the plans can be omitted from this expansion. If you have any additional questions or comments, please feel free ,to call me at anytime. Sincerely Thomas A. Donnick, Jr, President TAD/jdb 3504 Industrial 27th St. • Fort Pierce, FL 34946 - (561) 461-0004 • FAX (561) 467-0061 HF'K-21-1'-Ud 11; 0b F' . 02 GARRISON, Electrical Consultants, Inc. 4826 South US Highway #1, Fort Pierce, Florida:34982-7013 Phone (56I)468-5981 Fax (561)468-5930 April21, 1998 RESPONSE TO BUILDING DEPARTMENT PLAN REVIEW PERMIT #98040024 CONTRACTOR: R.K. DAVIS PROJECT LOCATION: 3504 Industria1270' Fort Pierce, FL PROJECT TYPE: METAL BUILDING;ADDITION TO EXISTING FACILITIES, INDUSTRIAL MANUFACTURING PLANT ITEM # PER BUILDING DEPARTMENT 1, NO FLEX PIPING ALLOWED FOR JUNCTION BOX IN HAZARDOUS AREA.! (350.2) RESPONSE: Electrician To Change Conduit To Rigid Type Conduit. (See Junction Box Detail Sheet E-1) 2. PROVIDE ENGINEERED MECHANICAL VENTILATION FOR BLDG. RESPONSE: The electric service for ventilation equipment should be taken from Electric Panel NLDB (L2). This his a 120/208 30 panel and has adequate capacity to add up to 20 hp of fans witho6t further review. When the project is complete the plans should be updated, to reflect this addition (ventilation) and any other changes that may need to be made as a result of constructions requirements: . Sincerely, Victor E. Garrison, P.E. President FL#32583 TOTAL P.02 S/ �olvo�a'V ....w Kt./Q ado 1 07► .gT. I- kio l �-��w� f�t�M s���rrdt�a,�►s� ����,sd�� �o r�u���lr�^ f � � g Potxahr # jyv/� 11 jrn �y ot� r,�t Q.s n f ,�/ t�ro�l s _D.7 lw- 1 k � A 4 K #..d }. Y ,�* 4^-^ S 5 1§ {. 9 I 1 a S yI % iS f 3 # F I. ' NiQ�'�i�� ��ta'�-6/,Q��i sn , L .,,rt "' # t (( -? E ." 4 5 ? ' , . $ # 3..n.i. R.. .•.,ff,..._ . { I .-._ I ..'s f-",..i.. , , .�... .Y.., . _ . k s , t s rn yr/ n �. f? �r®��i�►Wt� }i € a £ _ I .E.,. 3 ! aLL } -''i. e vv .' N��< £ J.� sue? ✓v do a a s s F `, y J „^€p^ i. Z. ,•� � # � .. r a ce" 1 4 'jt j £ { jj tt 1 I �39 1 `'tom i C l nB K S Sillq'! i " s cv # R alEd Aq pwjoe4o algid ) Aq Pau6lsaQ 'ON qof' N O/.L 7/1 -7 F/W.Csp (7N/-r ;�(q�S ;o ' 'ON 19948 SJGG IBU3 uoac/o jny , 4 Hutcheon Engineers Sob Designed by Date Subject Checked by Sheet No. ;—, of Job No. Date ,2 31 �� a iG zo t- 05 E.. Specific Operations 10-145 10.90 WELDING AND CUTTING The purpose of welding and cutting ventilation is to control gases, fumes, and particulate generated during the welding and cutting operations. 10.90.1 Hazards: The generation rate of fumes and gases varies with the composition of the base metal, fluxes, and fillers, and with the rate and depth of welding. Exposure to the welder varies with the generation rate, duration and fre- quency of operations, work practices (particularly distance of the plume from the breathing zone), and the effectiveness of ventilation. Contaminants from welding may include: 1. Fume from the base metals and filler or electrode metals. 2. Fume from coatings (e.g., zinc oxide from galvanized surfaces, thoria from T.I.G. welding, and fluorides and NOZ from electrode coatings). 3. Ozone due to ionization of oxygen by the ultraviolet light from arc welding. 4. Carbon monoxide from ultraviolet effects on carbon dioxide in shield gas. 5. Shield gases such as carbon dioxide, helium and argon. 6. Fluoride gases and other thermal decomposition prod- ucts of fluxes and electrode coatings. 7. Flammable gases such as acetylene. There are welding tasks that present enhanced hazards such as welding on materials containing or contaminated with heavy metals or welding in the presence of flammable vapors or halogenated hydrocarbons. If such welding is required, extraordinary precautions must be taken on a case -by -case basis. Even in the absence of such hazard materials, any welding operation in a confined space is potentially lethal and requires continuous and copious dilution ventilation. 10.90.2 General RecommendaSons. 1. Choose hood designs in the following descending order of effectiveness: enclosing hoods; vacuum noz- zles; fixed slot/plenum hood on a worktable or rectan- gular hood fixed above a worktable; moveable hood above a worktable; moveable hood hanging freely or overhead canopy; dilution ventilation. 2. Integrate planning for ventilation systems with plan- ning for materials handling. 3. Place welding curtains or other barriers to block cross - drafts. 4. Install turntables, work rests, and other aids to improve utilization of the hoods. 5. Avoid recirculating filtered air from welding hoods back into occupied spaces unless the welding is low hazard and produces low quantities of gaseous con- taminants. 6. Face velocity for enclosing hoods should be 100-130 fpm with the higher values used for poor conditions such as high cross -draft velocities. 7. Capture velocity for non -enclosing hoods should be 100-170 fpm. with the higher values used for poor conditions such as high cross -draft velocities and with higher hazard levels. Enclosing hoods are by far the most effective in controlling welding contaminants; however, they restrict access and force reconsideration of material and product handling. Capturing hoods are less effective than enclosures but for low hazard conditions can be adequate if properly used. 7-6 Industrial Ventilation _ Environmental control of these factors can be accommo- dated through the careful use of the supply system. Industrial air conditioning may be required to maintain process specifi- cations and employee health. Many times the designer can use - a setpoint higher than the 50-55 F used in conventional HVAC designs. ASHRAE gives basic criteria for industrial air con- ditioning in HVAC applications 0-9) (It must be noted that radiant heat cannot be controlled by ventilation and methods such as shielding, described in Chapter 2, are required.) Sensible and latent heat released by people and the process can be controlled to desired limits by proper use of ventilation. The HVAC industry uses automated building control and direct digital control (DDC) in many facilities. The technol- ogy can be applied to industrial ventilation with careful plan- ning. DDC uses computers and microprocessors tied to sensors and actuators to form a feedback and control system. DDC can be useful in industrial ventilation systems to control temperature, humidity, and relative room pressures. DDC systems can also track the system performance at hoods, fans, heating and cooling,, and air pollution control equipment. DDC is especially useful in preventive maintenance. How- ever, DDC systems for industrial ventilation systems are complicated. Many are "one -of -a -kind" systems designed by a controls manufacturer and they require trained personnel to operate. - Many industrial processes release minor amounts of "nui- sance" contaminants which, at low concentrations, have no known health effects but which are unpleasant or disagreeable to the workers or harmful to the product. The desire to provide a clean working environment for both the people and the product often dictates controlled air flow between rooms or entire departments. Evaluate the air streams returned into the facility to determine if the air pollution control devices (e.g., filters, cyclones) provide sufficient cleaning to prevent em- ployee exposure to "nuisance" contaminants. In addition, systems with known contaminants require controls listed in Section 7.12 and 7.13. The facility must employ trained mechanics and support a preventive maintenance program to sufficiently protect the workers. 7.7 ENVIRONMENTAL CONTROL AIR FLOW RATE The design supply air flow rate depends on several factors including the health and comfort requirements. Sensible heat can be removed through simple air dilution (see Chapter 2 under ventilation). "Nuisance" or undesirable contaminants can also be re- duced by dilution with outdoor air. The control of odors from people at various conditions of rest and work can be accom- plished with the outdoor air flow rate described in Chapter 2. However, these data apply mainly to offices, schools and similar types of environment and do not correspond well with the usual industrial or commercial establishment. Experience shows that when the air supply is properly distributed to the TABLE 7-3. Air Exchanges Vs. Room Sizes Air changes/ Air changes) Room Size Room ft3 minute hour 40 x 40 x 12 high 19,200 11,650/19,200 = 0.61 36 40 x 40 x 20 high 32,000 11,650/32,000 = 0.364 22 working level (i.e., in the lower 8-10 ft of the space), outdoor air supply of 1 2 cfin/ft2 of floor space will give good results. Specific quantities of outdoor air must be obtained from criteria developed by groups such as ASHRAE. 7.8 AIR CHANGES "Number of air changes per minute or per hour" is the ratio of the ventilation rate (per minute or per hour) to the room volume. "Air changes per hour" or "air changes per minute" is a poor basis for ventilation criteria where environmental control of hazards, heat, and/or odors is required. The required ventilation depends on the problem, not on the size of the room in which it occurs. For example, let us assume a situation where 11,650 cfm would be required to control solvent vapors by dilution. The operation may be conducted in either of two rooms, but in either case, 11,650 cfiri is the required ventila- tion. The "air changes," however, would be quite different for the two rooms. As can be seen in Table 7-3, for the same "air change" rate, a high ceiling space will require more ventilation than. a low ceiling space of the same floor area. Thus, there is little relationship between "air changes" and the required contaminant control. The "air change" basis _ for ventilation does have some applicability for relatively standard situations such as office buildings and school rooms where a standard ventilation rate is reasonable. It is easily understood and reduces the engineer- ing effort required to establish a design criteria for ventilation. It is this ease of application, in fact, which often leads to lack of investigation of the real engineering parameters involved and correspondingly poor results. 7.9 AIR SUPPLY TEMPERATURES Supply air temperature is controlled by the demand for heating and cooling. Factors to consider in maintaining a comfortable work environment for occupants are: setpoint temperature, humidity control, air distribution, and air flow rate. Where high internal heat loads are to be controlled, however, the temperature ofthe air supply can be appreciably below that of the space by reducing the amount of heat supplied to the air during the winter months and by deliber- ately cooling the air in the summer. When a large air flow rate is delivered at approximately space temperatures or somewhat below, the distribution of the air becomes vitally important in order to maintain satisfactory environmental conditions for the persons in the space. Maximum utilization of the supply air is achieved when the Replacement and Recirculated Air 7-7 air is distributed in the "living zone" of the space, below the 8-10 foot level (see Figure 7-4). When delivered in this manner— where the majority of the people and processes are located — maximum ventilation results with minimum air handling. During the warm months of the year, large air flow in the working space at relatively high velocities is welcomed by the workers. During the winter months, however, care must be taken to insure that air velocities over the person, except when extremely high heat loads are involved, are kept within acceptable values (see Chapter 2, Table 2-5). To accomplish this, the air can be distributed uniformly in the space or where required for worker comfort. Heavy-duty, adjustable, direc- tional grilles and louvers have proven to be very successful in allowing individual workers to direct the air as needed.0-0 Light gauge, stamped grilles intended for commercial use are not satisfactory. Suitable control must be provided to accom- modate seasonal and even daily requirements with a minimum of supervision or maintenance attention. Chapter 2 describes the relative comfort that can be derived through adequate air flow control. Published tables of data by register and diffuser manufacturers indicate the amount of throw (projection) and spread that can be achieved with different designs at different flow rates (see Figure 7-4). Terminal veloci- ties at the throw distance can also be determined. Multiple point distribution is usually best since it provides uniformity of air delivery and minimizes the re -entrainment of contaminated air that occurs when large volumes are "dumped" at relatively high velocities. Depending on the size and shape of the space and the amount of air to be delivered, various distributional layouts are employed. Single point distribution can be used; however, it is usually necessary to redirect the large volume of air with a baffle or series of baffles in order to reduce the velocity close to the outlet and minimize re -entrainment. In determining the number and types of reg- isters or outlet points, it also is necessary to consider the effect of terminal air supply velocity on the performance of local exhaust hoods. When large amounts of sensible heat are to be removed from the space during the winter months, it is most practical to plan for rapid mixing of the cooler air supply with the warmer air in the space. During the summer months, the best distribution usually involves minimum mixing so that the air supply will reach the worker at higher velocities and with a minimum of heat pickup. These results can be obtained by providing horizontal distribution of winter air over the worker's head, mixing before it reaches the work area and directing the air toward the worker through register adjust- ment for the summer months (see Figure 7-5). 10' 0' 10' 20' 30' 40' 50' 60' N 10' 0' 10' 20' 30' 40' 50' N O 0' — O 0' -Z-VN N — 10' � N 10' "A" DEFLECTION "C" DEFLECTION Zn 0' 10' 20' 10' 0' 10' 20' 30' Ln CN 10' i t i cV N N N —0 0' -0 0' N N N \N 10' �C-4 10' "E" DEFLECTION "G" DEFLECTION PLAN VIEW �s713� UP PROJECTION HORIZONTAL PROJECTION SIDE VIEW FIGURE 74. Throw patterns and distancg from different register adjustments (REF. 7-2) n N DOWN PROJECTION 2-2 Industrial Ventilation -2.1 INTRODUCTION . "General industrial ventilation" is abroad term which refers to the supply and exhaust of air with respect to an area, room, or. building. It can be divided further into specific functions as follows: Dilution Ventilation is the dilution of contaminated air with uncontaminated air for the purpose of controlling potential airborne health hazards, fire and explosive conditions, odors, and nuisance -type contaminants. Dilution ventilation also can include the control of airborne contaminants (vapors, gases, and particu- lates) generated within tight buildings. Dilution ventilation is not as satisfactory for health hazard control as is local exhaust ventilation. Circum- stances may be found in which dilution ventilation provides an adequate amount of control more eco- nomically than a local exhaust system. One should be careful, however, not to base the economical consid- erations entirely upon the first cost of the system since dilution ventilation frequently exhausts large amounts of heat from a building, which may greatly increase the energy cost of the operation. 2. Heat Control Ventilation is the control of indoor at- mospheric conditions associated with hot industrial environments such as are found in foundries, laun- dries, bakeries, etc., for the purpose of preventing acute discomfort or injury. 2.2 DILUTION VENTILATION PRINCIPLES 'The principles of dilution ventilation system design are as follows: 1. Select from available data the amount of air required for satisfactory dilution of the contaminant. The values tabulated on Table 2-1 assume perfect distribution and dilution of the air and solvent vapors. These values must be multiplied by the selected K value (see Section 2.3.1). 2. Locate the exhaust openings near the sources of con- tamination, if possible, in order to obtain the benefit of "spot ventilation." 3. Locate the air supply and exhaust outlets such that the air passes through the zone of contamination. The operator should remain between the air supply and the source of the contaminant. 4. Replace exhausted air by use of a replacement air system. This replacement air should be heated during cold weather. Dilution ventilation systems usually handle large quantities of air by means of low pressure fans. Replacement air must be provided if the system is to operate satisfactorily. 5. Avoid re-entry of the exhausted air by discharging the exhaust high above the roof line or by assuring that no window, outdoor air intakes, or other such openings are located near the exhaust discharge. 2.3 DILUTION VENTILATION FOR HEALTH The use of dilution ventilation for health has four limiting factors: 1) the quantity of contaminant generated must not be too great or the air flow rate necessary for dilution will be impractical; 2) workers must be far enough away from the contaminant source or the evolution of contaminant must be in sufficiently low concentrations so that workers will not have an exposure in excess of the established TLV; 3) the toxicity of the contaminant must be low; and 4) the evolution of contaminants must be reasonably uniform. Dilution ventilation is used most often to control the vapors from organic liquids with a TLV of 100ppm or higher. In order to successfully apply the principles of dilution to such a problem, factual data are needed on the rate of vapor generation or on the rate of liquid evaporation. Usually such data can be obtained from the plant if any type of adequate records on material consumption are kept. 2.3.1 General Dilution Ventilation Equation: The venti- lation rate needed to maintain a constant concentration at a uniform generation rate is derived by starting with a funda- mental material balance and assuming no contaminant inthe air supply, Rate of Accumulation = Rate of Generation — Rate of Removal or VdC = Gdt — Q' Cdt [2.1] where: V = volume of room G = rate of generation Q'= effective volumetric flow rate C = concentration of gas or vapor. t = time At a steady state, dC = 0 Gdt = Q'Cdt f tZtZ Gdt = �Q'Cdt t� c� At a constant concentration, C, and uniform generation rate, G, G(t2 — W = Q'C (t2 — W Q' = C [2.2] Due to incomplete mixing, a K value is introduced to the rate of ventilation; thus: 8-2 Industrial Ventilation 8.1 INTRODUCTION There are two ventilation aspects which are major causes of the complaints noted in the vast majority of reported problems from all parts of this and other countries. They are complaints of unsatisfactory indoor air quality (which may be due to the lack of sufficient outdoor air for dilution of "nor- mal" indoor airborne contaminants) and the failure to deliver supply air properly to the occupied zones. Indoor air quality is defined as the overall quality of the indoor air and includes biological, chemical, and comfort factors. This chapter is designed to familiarize the reader with heating, ventilation, and air conditioning (HVAC) systems used in office and similar spaces. The individual components of a typical HVAC-system are defined, and the operation of the more common types of HVAC systems found are dis- cussed. 8.2 DILUTION VENTILATION FOR INDOOR AIR QUALITY The oil shortage and the resulting energy crisis of the late 1960s and early 1970s is considered by some as the most significant cause of the current indoor air quality concern. In the past, when energy costs were relatively low, the design of heating, ventilation and air conditioning (HVAC) systems for buildings included the infiltration of outside air through doors, windows, and other sources. Also, up to 25%(8-1) out- door air was supplied by the system, in addition to the infiltration, for general ventilation purposes. The outdoor air had the effect of diluting the "normal" indoor contaminants to a very low level of concentration, which had little effect on the occupants. Since the energy crisis resulted in major increases in energy costs, an extensive effort was made to reduce the infiltration of outdoor air by constructing the building as airtight as possible. Outdoor air supplied by the HVAC system was reduced to a minimum and in some instances eliminated entirely. Airborne contaminants found in indoor environ- ments were present in extremely small quantities and had not been a health problem in the past due to the dilution effect of the outdoor air. New concepts of office design that utilize fabric partitions, particle board furniture, increased use of carpets, office copy machines, etc., have increased the poten- tial for indoor contaminants. As buildings became more en- ergy efficient, there was an increase in complaints of stuffiness, drowsiness, tiredness, eye irritation, throat irrita- tion, and stale air. Existing health standards are not usually violated by the low-level concentrations, and the only current legal require- ment for outdoor air is found in the building codes. The Uniform Building Code('.2) is the most widely accepted stand- ard for providing outdoor air. Section 605 states that 5 cfm of outdoor air per occupant shall be mechanically supplied to all parts of the building during occupancy. Carbon dioxide con- centrations from occupant respiration within a space are often Jr used as an indicator of the quantity of outdoor air being supplied to that space. When the indoor air concentration reaches approximately 800-1000 ppm (excluding external combustion sources), complaints may escalate. As the carbon dioxide levels increase, the number of complaints will in- crease more rapidly. In 1989, the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) developed and adopted ASHRAE Standard 62-1989, "Ventilation for Ac- ceptable Indoor Air Quality."(") The standard recognized the health problems resulting from the changes in construction and HVAC methods. It is based on occupancy of spaces and provides the outdoor air requirement for that space. Require- ments for outdoor air for offices based on an occupancy of seven people per 1000 square feet is currently 20 cfin per person. This is based on a total occupancy, including tran- sients, and is in addition to the usual HVAC requirements. The standard is expected to satisfy the requirements for 80% or more of the occupants. Provision for delivery of the outdoor air for dilution of the normal indoor airborne contaminants in the occupied space is a major factor of indoor air quality considerations. It is obvi- ous that if the outdoor air included as part of the total supply air is not delivered to the occupied zone, the potential for unsatisfactory indoor air quality increases. Another important factor in the delivery of the air to the occupied zone is the location of the supply and return air grilles to avoid short-cir- cuiting. Ideally, the supply air diffusers and the air grilles are so located that a uniform flow of air through the space occurs to avoid both stagnant air and drafts. Temperature and humidity can play a role in how people perceive indoor environment. ASHRAE Standard 55-1992(8.4) provides guidance in design and maintenance of indoor ther- mal environments. ASHRAE recommends temperature ranges.of 67 to 76 F in winter (heating season) and 72 to 81 F in summer (cooling season). However, complaints may increase when temperatures rise above 74 F. Similarly, it is preferable to keep relative humidities above 20-30% during the heating season and below 60% during the cooling season. ASHRAE also suggests limits on air movement. The average air movement in an occupied space should not exceed 30 fpm in winter or 50 fpm in summer. 8.3 HVAC COMPONENTS AND SYSTEM TYPES When considering the ventilation aspects of HVAC sys- tems, the type of system and its components should be re- viewed for potential sources or causes of complaints regarding indoor air quality. Detailed descriptions of the systems and components can be ,found in the Systems and Equipment volume of the ASHRAE Handbook.('.') 8.3.1 Components: The components that make up HVAC systems generally include the following: 12-18 Industrial Ventilation ADOPTED APPENDICES B2. Welding Fumes—Tolaar l Particulate NO)), TLV—TWA 5 mg/m3 APPENDIX A: Carcinogenicity The Chemical Substances TLV Committee has been aware of the increasing public concern over, chemicals or industrial processes that cause or contribute to increased risk of cancer in workers. More sophisti- cated methods of bioassay, as well as the use of sophisticated mathemat- ical models that extrapolate the levels of risk among workers, have led to differing interpretations as to which chemicals or processes should be cat- egorized as human carcinogens and what the maximum exposure levels should be. The goal of the Committee has been to synthesize the available information in a manner that will be useful to practicing industrial hygien- ists, without overburdening them with needless details. The categories for carcinogenicity are: Al — Confirmed Human Carcinogen: The agent is carcinogenic to humans based on the weight of evidence from epidemiologic studies of, or convincing clinical evidence in, exposed humans. A2 — Suspected Human Carcinogen: The agent is carcinogenic in experi- mental animals at dose levels, by route(s) of administration, at site(s), of histologic type(s), or by mechanism(s) that are consid- ered relevant to worker exposure. Available epidemiologic studies are conflicting or insufficient to confirm an increased risk of cancer in exposed humans. A3 — Animal Carcinogen. The agent is carcinogenic in experimental ani- mals at a relatively high dose, by route(s) of administration, at site(s), of histologic type(s), or by mechanism(s) that are not con- sidered relevant to worker exposure. Available epidemiologic studies do not confirm an increased risk of cancer in exposed humans. Available evidence suggests that the agent is not likely to cause can- cer in humans except under uncommon or unlikely routes or levels of exposure. A4 — Not Classifiable as a Human Carcinogen: There are inadequate data on which to classify the agent in terms of its carcinogenicity in humans and/or animals. A5 — Not Suspected as a Human Carcinogen. The agent is not suspected to be a human carcinogen on the basis of property conducted epi- demiologic studies in humans. These studies have sufficiently long follow-up, reliable exposure histories, sufficiently high dose, and adequate statistical power to conclude that exposure to the agent does not convey a significant risk of cancer to humans. Evidence suggesting a lack of carcinogenicity in experimental animals will be considered if it is supported by other relevant data. ' Substances for which no human or experimental animal carcinogenic data have been reported are assigned no carcinogenicity designation. Exposures to carcinogens must be kept to a minimum, Workers exposed to Al carcinogens without a TLV should be properly equipped to eliminate to the fullest extent possible all exposure to the carcinogen. For Al carcinogens with a TLV and for A2 and A3 carcinogens, worker expo- sure by all routes should be carefully controlled to levels as low as possi- ble below the TLV. Refer to the "Guidelines for the Classification of Occupational Carcinogens" in the Introduction to the 6th Edition of the 'Documentation of the Threshold Limit Values and Biological Exposure Indices for a more complete description and derivation of these designa- tions. APPENDIX B: Substances of Variable Composition 61. Polytetralluoroethylene' decomposition products. Thermal decom- position of the fluorocarbon chain in air leads to the formation of oxidized products containing carbon, fluorine, and oxygen. Because these products decompose in part by hydrolysis in alkaline solution, they can be quantita- tively determined in air as fluoride to provide an index of exposure. No TLVs are recommended at this time, but air concentration should be controlled as low as possible. ('Trade names include: Algof Ion, Fluon, Teflon, Tetran) Welding fumes cannot be classified simply. The composition and quan- tity of both are dependent on the alloy being welded and the process and electrodes used. Reliable analysis of fumes cannot be made without con- sidering the nature of the welding process and system being examined; reactive metals and alloys such as aluminum and titanium are arc -welded in a protective, inert atmosphere such as argon. These arcs create relative- ly little fume, but they do create an intense radiation which can produce ozone. Similar processes are used to arc -weld steels, also creating a rela- tively low level of fumes. Ferrous alloys also are arc -welded in oxidizing environments that generate considerable fume and can produce carbon monoxide instead of ozone. Such fumes generally are composed of dis- crete particles of amorphous slags containing iron, manganese, silicon, and other metallic constituents depending on the alloy system involved. Chromium and nickel compounds are found in fumes when stainless steels are arc -welded. Some coated and flux -cored electrodes are formulated with fluorides and the fumes associated with them can contain significantly more fluorides than oxides. Because of the above factors, arc -welding fumes frequently must be tested for individual constituents that are likely to be present to determine whether specific TLVs are exceeded. Conclusions based on total concentration are generally adequate if no toxic elements are present in welding rod, metal, or metal coating and conditions are not conducive to the formation of toxic gases. APPENDIX C: Threshold Limit Values for Mixtures When two or more hazardous substances which act upon the same organ system are present, their combined effect, rather than that of either individually, should be given primary consideration. In the absence of infor- mation to the contrary, the effects of the different hazards should be con- sidered as additive. That is, if the sum of C1 + C2 + �n Ti T2 Tn exceeds unity, then the threshold limit of the mixture should be considered as being exceeded. C1 indicates the observed atmospheric concentration and T1 the corresponding threshold limit (see Example A.1 and B.1). Exceptions to the above rule may be made when there is a good reason to believe that the chief effects of the different harmful substances are not in fact additive, but are independent as when purely local effects on differ- ent organs of the body are produced by the various components of the mix- ture. In such cases, the threshold limit ordinarily is exceeded only when at least one member of the series (C fri + or + C21 T2, etc.) itself has a value exceeding unity (see Example B.W Synergistic action or potentiation may occur with some combinations of atmospheric contaminants. Such cases at present must be determined individually. Potentiating or synergistic agents are not necessarily harmful by themselves. Potentiating effects of exposure to such agents by routes other than that of Inhalation are also possible, e.g., imbibed alcohol and inhaled narcotic (tdchloroethylene). Potentiation is characteristically exhib- ited at high concentrations, less probably at low. When a given operation or process characteristically emits a number of harmful dusts, fumes, vapors or gases, it will frequently be only feasible to attempt to evaluate the hazard by measurement of a single substance. In such cases, the threshold limit used for this substance should be reduced by a suitable factor, the magnitude of which will depend on the number, toxicity, and relative quantity of the other contaminants ordinarily present. Examples of processes that are typically associated with two or more harmful atmospheric contaminants are welding; automobile repair, blast- ing, painting, lacquering, certain foundry operations, diesel exhausts, etc: Examples of TLVs for Mixtures A Additive effects. The following formulae apply only when the compo- nents in a mixture have similar toxicologic effects; they should not be used for mixtures with widely differing reactivities, e.g., hydrogen cyanide and � ARROW TYPE EXTRUDED ALUMINUM LOUVERS EA-61 5- D _ 6" DEEP DRAIN BLADE -STATIONARY -CHANNEL TYPE 1 I/4" ITYP.) SPECIFICATIONS Y MATERIALe EXTRUDED'ALUMINUM W63—T52/TG ALLOY M IZ5^ NOMINAL)- FACE FACE OF LOUVER+ ALL SURFACES ARE FLUSH. WITH N JAMBS CONTAINED WITHIN THE M HEAD AND SILL. GLADE IS 35•/42' ON APPROXIMATE 4 1/2" BLADE CENTERS- S REENI(SCREWWHEN INOICATEO, IN A REMOVABLE FRAME) BIRDMIR — 1/Z" SO. MESH INTERMEDIATE DOUBLE— CRIMPF.D ALUMINUM WIRE, .003^ DIA. e .I FINISHi a MAXIMUM SINGIX PANELISI7.Ei 60" x 96" M LOUVER PERFORMANCE STATEMENT LOUVER MODEL EA—GIS—D SHALL BE FABRICATEA TO PROVIDE A MINIMUM OF55'/.), 0.81 SQUARE FEET OF FREE AREA FOR A 413- x 48" SIZE LOUVER AND BEAR THE AMCA CERTIFIED r RATINGS PROGRAM SEAL FOR AIR PERFORMANCE AND WATER u PENETRATION. THE RATINGS SHALL SHOW A BEGINNING POINT u OF WATER PENETRATION A7 OI OUNC S PER SQUARE FOOT OF FREE AREA TO BE ABOVE IZ50 FPM 11,013) CV0IC FEET „ PER MINUTE. WITH .13 INCHES WAfE GAUGE PRESSURE DROP a AT I000 FPM AIR INTAKE. r U 11 FOR CERTIFIED RATINGS NOT TO SCALE AUTHORIZED BY AMCA m mom f X? N I -SEE REVERSE SIDE I L' )( W. i 'H 4 R' k0 Fl LOUVE3tS LL BE F ICATIED 1/Z" SMALLER 'TWW OP£NIN3 SIZE U"55 OTHERMISC SPECIFIED. " pr ti /1 WIDTH I HEIGH WIDTH HEIGHT TYPE LOC e^� ITEM OTY. OPENING SIZE LOUVER SIZE MULL SCREENS UNION HARE ARROW UNITED INDUSTRIES ARCH. /ENG.: 0M1l A DIVISION OF MESTEK, INC. -+"'� L • - CONTR.: f� • • 314 RIVERSIDE DRIVE WYALUSING. PA 18853 PROJECT:Al X. Q w r` tlrJyAan z A TEL:(717)-7r�46-1888 FAX:(717)746-9286 EDR: ECN: JOB: AGENT: /���i��.S4�G?+� E/1a��c�ri�o . - � PATE: DU/N. I DWG. ///�1 l 1 !1 2 - 3r 1993-1 Akf, ?PowJeti .., 4f LOUVER MODEL EA-61 5-D DRAIN LOUVERS EXTRUDED ALUMINUM - STATIONARY PERFORMANCE DATA TESTS OF A 46' " 48" SAMPLE BY AN -ALGA Rin4I5TERED LABORATORY ACCORDING TO "A STANOARD 500 SHOWS THE OEGINNING POINT OF WATER PENETRATION IS ABOVE 1250 FPI,! TpRR000Fi�JRETFE FREE AREA OF LOUVER, WITH LESS THAN .12" W.4. Y DROP AT 950 FPM (INTAKE). RATIN35 00 NOT 'INCLUDE EFFECTS OF BIRDSCREEN. PRESSURE DROP VELOCITY (FPM) w 100 THRU FREE AREA FREE AREA • lwwwwl■��wlwwwwwwww _ �� w!• � = wiwwlww IAiiiwii iwlwiwl lliillw�nl■��wr�w�■m irliliwiwwwwwll lllwe�ww�■wwt•wwr•w�1 • iwiwiwiwlwllw wwliwlww�wiwwww wwwiwwlnlAiw�w(wn1� Silwlllwlllwl i�owwwwiwllw�■Illlediw • _ iililiilwwi!•l wwwwwwiwwwwww iwiwwwwwwwwwl wwwwwwwwlwwww iwiwwwiw wiiwi llwwi wwwi will wwiliwwi wlwiwww llliliwwwwwwwwwi wlwilwiilwlwwlii iwwiwlwwwwwl iQw, wwllwwwl■(.w■nr(wiils �wwoww`ww�n■nwwwiwi 1150 1200 .IZ50 1300 VELOCITY (FPM) THRU FREE AREA B125PIOF WATER HEAION IS ABOVE M TaOUGH THE F AE OF THE LOUVER. ;aorta • AMCA STANDARD 500 LIMITS TESTING OF WATER PENETRATION C RTM ITF TO EER A MAXIMUM VELOCITY OF iZSO FPM OR 2.5 OUNCES LR*Tvf i OF WATER PER SQUARE FOOT OF LOUVER FREE AREA. umm FREE AREA ( SO. FT.) WIDTH 12" 19" 24" 30' W. 42" 40' S4" 60" 12" .28 .45 .63 .61 .96 1.16 1-33 1.51 1.62 24" .04 1.37 1.81 2.44 Z.97 3.50 4.03 4.56 5.10 m". 1.30 Z.IZ 2.95 3.77 4.59 5.41 6.23 7.06 7.BG 40":, 1.06 3.04 4.21 5.39 .6.67 7.74 10.09 11.27 60"• 2.43 3.96 6.49 7.02 8.55 10.09 11:6Z' 13.15 14.60 72" 2.e9 4.71 6.53 8.35 10.17 12.00 13.6Z 15.64 17.46 64" 3.45 5.62 7.00 9.97 12.1S 14.33 16.60 18.6E 20.� y 96• 1 4.01 6.54 9.07 11.60 14.14 16.67 19.20 21.73 24.28 • AMCA REGISTERED LABORATORY IS A LABORATORY EQUIPPED AND STAFFED TO CONDUCT TESTS ACCORDING TO /D APPROPRIATE NCA T�0AHOD 1rcHE LIC S A AMCA REGISTERED LABORATORY. 905-199. rryY T)i i{y rrT Ist AlUlYIlriLllYl Sidewull Propeller Fans Direct & Belt Dr ive &SP �y Tz=o�,:..a�o ,�.r*•' p .R:s�,E--E �y r ; � : t.:v�9 �J �' : tiF� SPD-CA-36 Max Motor Frame Size - 215T Damper Size - 38 x 38 Panel Material Gauge - 16 Drive Frame Material Gauge - 11 Approx. Weight (lbs.) - 220 OS 'WE 421/4 Ao E _r� 2 21/4 - 2 � 141/4 v. 1 361/s Airflo-A MODEL SPDE—CA I MODEL SPDS—CA IV N iSUR AP OUrrLT jV ';' 500 ��-Ts .037 F H H P "19.5 0 qqj,�; T-� va, Aw— F I MP !41RT�9239i 157,34 RIMV414-074V Ri�,IVMR 0 ' �0&3j�O.MAj 0A Kt%l;aP2 q, 0 i4 P� zlS:& 44 46,�; 2v, 224 -4' r� 310264U,,*;,�: E 2Z� JN0f ' f eW 33 1r� MfBOUJU P V ,. �'36 -4 23," 61 34 My"MO iN,` A4328�'.?jr)- z ,A'98TBT,15, 840 FF -1 7, -775 Q &TA t�"-*107W q' -52W Z�l S. CW 33swo.%R MMA-ZA015PI,� R�'29-V� 10'.6 8, 05-BZI 1�%- 1 0 V-'35-7 I 2726}i. Z, j O'X, 5 4-1295,-`�,;� 1 9 12 0 9 F7 t68� P�f 9387",: 4 102 8nS -36': -331 'N7 Z-, -,�-­14207 '�12667 0727: 7A �'3 6 �'--172 , f -53;X e, S VS , 1p 'N Z7 2* W 2�, '' RACWsmsIlij T �9 " iK1I i F,T, r its W mMA .0ji a4w t1431*�P9" l3r SN2M&,,2. 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Z 9 5 2 K, R W01W Mx It qlkz 1�1 @R Al�w R, e Mffl,*D.'80V MrW4�QR490 i -,At "'N', M W w UA'0511WU yv I K 27.W$ M2991M.N9 g ' 9V 36670,M,' -140MM'�V-k , ,, �, 7 VI NVP�� -��-4868V- M - V. 6SVENFA, An 35 --, �N L*.-s 2�1 1, 1 1 s42A5144V 6wwran - &144V4 U1CWW�i•�46 8237- ' AI -A L �!8336F leIi le v W M.-3ASPDE- ',52 25 , ,,, Ig 9000 - *k-ff, Y�N--V'760&Rv 691Wio.- k I V*413692, ON rNO Ra QDrN 714596VhV M3VII1419,11-P w-wM9 j I'M 9A6 3 6214-0 Wk--42 do 14 aVfflW�51,W V b-*W,4v, Wrfle;- :1—.1 91V Ell F-1 Typical Specifications _Direct Drive Models Propeller construction shall be cast aluminum airfoil. A standard square key and tapered bushing shall lock the lropeller to the motor shaft. Propellers shall be statically and dynamically balanced. Motors shall be of the heavy duty ball bearing type, carefully matched to the fan load, and furnished at the specified voltage, phase and enclosure. Motor support frame assemblies shall be formed steel construction. Fan panels shall have prepunched mounting holes, formed flanges with welded corners with a deep -formed inlet venturi. All structural components shall be coated with Perma-TectorTM for a long lasting finish. The axial exhaust and supply sidewall fans shall bear the AMCA certified ratings seal for air and sound performance. Fans shall be Model SPDE-CA for exhaust and SPDS- CA for supply as manufactured by Greenheck Fan Corporation of Schofield, Wisconsin. Belt Drive Models All sidewall fans shall be belt driven axial type. Propeller construction shall be cast aluminum airfoil design. A standard square key and tapered bushing shall securely lock the propeller to the shaft. Propellers shall be statically and dynamically balanced. Motors shall be of the heavy duty ball bearing type carefully matched to the fan load, and furnished at the specified voltage, phase and enclosure. Ground and polished steel fan shafts shall be mounted in permanently lubricated, sealed ball bearing pillow blocks. Bearings shall be selected for a minimum (1-50) life in excess of 200,000 hours at maximum cataloged operating speed. Pulleys shall be of the fully machined cast iron type, keyed and securely attached to the wheel and- motor shafts. The motor sheaves shall be adjustable for final system balancing. Drives shall be sized for a minimum of 150% of driven horsepower. Drive frame assemblies shall be formed steel construction. Fan panels shall have prepunched mounting holes, formed flanges with welded corners with a deep formed inlet venturi. All structural components shall be coated with Perma-TectorTM for a long lasting finish. The axial exhaust and supply fans shall bear the AMCA certified ratings seal for air and sound performance. Fans shall be Model SPBE-CA for exhaust and SPBS- CA for supply as manufactured by Greenheck Fan Corporation of Schofield, Wisconsin. Warranty Greenheck Fan Corporation warrants this equipment free from defects in material and workmanship for a period of one year from the purchase date. Any units or parts which prove to be defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid. The motor is warranted by the motor manufacturer for a period of one year. Should the motor prove defective during this period, it should be returned to the nearest authorized motor service station. Greenheck Fan Corporation will not be responsible for any installation or removal costs. Greenheck Sidewall Propeller Fans Model SPF Model SPN • Light duty • Economical • Low sound • Heavy duty • Direct drive • Belt drive • Belt drive • Direct & Belt drive • Aluminum prop. • Steel prop. • Steel prop. • Cast aluminum prop. • Sizes 8"-20" • Sizes 20"-54" • Sizes 24"-54" • Sizes 20"-72" • 200-4500 CFM • 3800-28000 CFM 0 4500-53700 CFM • 3000-85000 CFM • Up to %" SP • Up to V SP • Up to y," SP • Up to 1" SP • AMCA Air • AMCA Air/Sound • AMCA Air/Sound • AMCA Air/Sound 'LJGREENHECK P.O. BOX 128 SCHOFIELD. WISCONSIN54476 PH. 715-359-6171 Model SPB-FS • Heavy duty • Belt drive • Steel prop. • Sizes 24"-72" • 4500-80800 CFM •Upto%"SP • AMCA Air/Sound t Due to continuing research Greenheck Fan reserves the right to change specifications without notice. SPD-CA & SPB-CA - OCTOBER 88-M Accesso"ries For Sidewall Propeller Fars A complete line of accessories is offered for use with Greenheck sidewall propeller fans. The accessories are designed for safety, ease of fan installation, and weather protection. Several suggested combinations of sidewall fans and accessories are illustrated on the following pages. ff� MOTOR SIDE GUARD Protective guards of welded steel wire are available to completely enclose the motor and drive side of sidewall fans in sizes 20-72. Guards feature bolted construcion which allows the front portion to be removed for service. Perma-Tector® thermally fused polyester coating is applied for a long lasting finish. OSHA MOTOR SIDE GUARD Protective guards which conform to Federal Occupational Health and Safety Standards are also available for fan sizes 8-72. An expanded metal screen is supported by a structural steel frame. Guards are coated with Perma-Tector®. WEATHERHOOD Weatherhoods are available to shield wall openings and dampers from rain and snow. Hoods can also be used with wall mount collars and wall mount housings in sizes 8-72. Weatherhoods are only available in kit form for field assembly, with birdscreens furnished in each kit. Standard construction is galvanized steel with prepunched mounting holes. Paint finish is optional. WALL MOUNT COLLAR The Wall Mount Collar offers an effective method of installing sidewall fans. Its mounting flange bolts to the exterior wall to allow the collar to project inward. Mounting holes are prepunched to speed installation. The Wall Mount Collar provides a sturdy base for mounting dampers, damper guards orweatherhoods. It also insures proper spacing between propellers and dampers. Collars are constructed of heavy gauge steel with Greenheck's Perma-Tector® thermally fused polyester finish. Wall Mount Collars are available in kit form or factory assembled for Greenheck sidewall propeller fan sizes 8-72. OPPOSITE MOTOR SIDE GUARD For exhaust fan applications where the propeller is exposed, expanded metal guards are available to protect personnel and fan blades. A rolled steel frame SUP the screen. Guards are coated with Perma-Tector® thermally fused polyester. Available sizes are 8-72. OSHA'OPPOSITE MOTOR SIDE GUARD A similar guard constructed with a screen of finer mesh provides protection which conforms to Federal Occupational Health and Safety Regulations. This guard is also available in fan sizes 8-72. DAMPERS Backdraft dampers are available for both exhaust and supply fans. Damper frames are constructed of galvanized steel. Blades are aluminum with felt strips on closing edges and nylon bushings at pivot points. Mounting flangs are offered in two designs which permit dampers to be mounted either externally or flush with a wall. Optional motorpacks are available for Positive operation. Dampers are available in fan sizes 8-72. DAMPER GUARD Protective guards are available to enclose dampers and wall openings in accessible areas. An expanded metal screen is supported by a steel frame. Construction is galvanized steel with prepunched mounting flanges. Damper guards are available in sizes 8-72. WALL MOUNT HOUSING In applications where the fan assembly is required to project outward from the occupied space, the Wall Mount Housing provides an effective method of mounting fans and accessories. Housings can be used with either exhaust or supply fans along with dampers, damper guards or , weatherhoods. Wall Mount Housings are available factory assembled or in kit form. Standard construction is galvanized steel with prepunched mounting holes. Paint finish is optional. Housings are available for Greenpeck sidewall propeller fan sizes 8-60. WALL MOUNT HOUSING GUARD Protective guards are available for the drive side opening of the Wall Mount Housing. Housing Guards are constructed of welded steel wire coated with Perma- ` Tector`O for a lasting finish. Guards are available for fan sizes 20-60. NOTE: Motor side & opposite motor side guards, when ordered with fans, are factory, installed. Fan orders which include factory assembled wall mount housings and wall mount collars will be shipped with all specified accressories factory installed, with the exception of the weatherhood. Dampers Greenheck offers a wide selection of backdraft dampers to complement its sidewall accessory line. Dampers in either exhaust or supply configuration are available with or without electrically operated actuators. Two different mounting flange arrangements provide the system designer the flexibility of mounting the damper externally or flush with the wall. EXHAUST MODEL WD-300 Gravity or Motorized Model WD-300 is constructed with a mounting flange which positions the damper externally to the wall, pro- viding additional distance from the fan for better air per- formance. Optional electric actuators for 24, 115, 208-230 or 460 volts are available. MODEL WD-320 Flush Mount, Gravity or Motorized Model WD-320 is constructed with a flush mount flange which positions the damper within the wall for a flush exterior appearance. Optional electric actuators are available in 24, 115, 208-230 or 460 volts. MOTORIZED SUPPLY MODEL WD-210 Model WD-210 features a standard 115 or 230 volt elec- trical actuator and a mounting flange for external in- stallation, providing additional distance from the fan for better air performance. Optional actuators are available in 24 or 460 volts. MODEL WD-220 Flush Mount Model WD-220 features a standard 115 or 230 volt elec- trical actuator and a flush mount flange which positions the damper within the wall for a flush exterior appear- ance. Optional actuators are available in 24 or 460 volts. � �71 'RANI 1 T SUPPLY MODEL WD-420 W D-300 WD-21 IN Model WD-420 opens by pressure differential and closes WD-42I by an adjustable return spring. The mounting flange pro- vides for an external damper position allowing more distance from the fan for better air performance. MODEL WD-430 Flush Mount Model WD-430 opens by pressure differential and closes by an adjustable return spring. The.flush mount flange positions the damper within the wall for a flush exterior appearance. INSTALLATION NOTES 1. Sufficient distance must be maintained between the fan blades and the damper for proper air performance. This distance can be provided by use of a wall collar or wall housing. 2. Weatherhoods should be installed on all intake dampers exposed to severe weather. Exhaust applications may also require weatherhoods. W D-320 ••11�2„ 'Damper JW Size AIRFLOW Sq. m� *Damper OW Size — Sq. ..1 1/2„ 'Damper Size Sq. 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W - .�R I Him am Lil 40 LU f p 7 LL 7-1 11rt' NOLL3i5 �Od �„tea j 61SY YY130 _ i� , FROM ..IBUTLER ENGINEERING SERV 816 968 3630 1 •-J''JL7 . VJ9 -JYJ cr_ • ¢ o I . • +-_•- NCWR , BOLTS Ow pm. IN EW POST I DEUL AM9 ENDWALL POST I I . li I_ 13/eu N "wo tI '1.1 ft rl L in rin -1 if� LJ ;. EC1EO�ff ; -OWE,-. SIDEWALL t ENO°WALL EDGE OF t FOUNDATION t LWE� SECTION A411 I- DkTAIL A (LEFT) ••t•. l'•,I,l •iI �I••'.;' .' t•j.;�.i.;.i..;. I-'.+.;_.i ; , ;. .; , I I '' , •J'`. 1 I I tY. ' t ;, I, I I I i � r I ; i, I; lit• �+;AN000I A1� -1011 of /ouNOAI ON IROVEL INISH. WE FOUNDAIION HuOI BE I do {VIVI LRrtE. AND o1N. AABtloA 1! HUII 0 LOOAIEO 01 HEARS Or A PLAI[. no Not ECNDH SOI�l. 1[M AlItl01A AkWoR SoLIl. NU18 AND VAlHER! Must DE AM IIPE AJOI. Adotilll,' t MOONING Athi. AS REDUIRED, PROVIDE FOR HORIbRIAI LOAD AIICHOR Sabi. Abell ' b A U 1 1 0 11 1101410 A MNKMM!AC�1IIAANC![tjIAINMCOI �0[�ofJAI'0A A11%i U1[UAll01181ONIAIORA pplORT:ONI'll1IIRU A�OU[ID11If II31 OARE3UL101 IN MMLURE. , j. i• ABODIA �OIIIIOAI ON 0111ON AND ANCHOR lOLIi. 11M AND VARNER$ ARE NOI 1_ WIN pp 01 DU1``tt PROPEEL1� [110[oM[NI MOM mil D[ 0[/IONEO t. � if IAIION D[SION [NOINL[R. 1•il.li�.,.,.... I.lii...(..,.�I.;L'L.I y.I' I II�•I�I OF BASE 2 11C 'S. � � (� N' S" 2 1 /4' rI rl 1 + i - ; �- U Li Dik ANC BOLTS . 1 PROJECTED15 A , OFT$ I _ FRAME DETAIL A B4. roiv—r 1�-- (RIGHT) � • 4. . i i.i.j.� i � ! •i.� � I i ! I'i ' i.•i i-j .i-.i:I. •r ,I, ,� it i. '� � �I.. '' Ili'I I �Lil I , i. I...L 1L. .i;.I ;.� BUTLER MANUFACTURING COMPANY G o N f'T - I GENERAL OFFICES-KANSAS CRY, MISSOURI ,FROM A BLITLER ENGINEERING SERV 816 969 3630 1998 , 04 - 30 22 : 3S s<bq-e r . eau i i 3 4' DIA. ANCHOR 9OLTS PROJECTED 2' 9" DOOR POST (LEFT) FILL WITH 2'' NON -SHRINK GROUT IP AFTER -COLUMN JS I 0-i-04 i///l n FLOOR LINE 3/9" DIA. -- ANCHOR BOLTS PROJECTED 2" DETAIL A392 _R—A •. SLAG 8 Ili SECTION .8 i i i i _ •, ! � I 11 IF � I I f ill•' ! ch .I j _ ! i I r-01 °i lj+ ``'' it` ' i l I; I• I j i• I f ! I j 'tfi.,ki f j .i II'+.j I;. f,l{ � �, . 1 • I I f`fll �l 4 � l I i{ i i I � � j � i.. I I I I • ' , 1p 1L,. ..I I. (, i',� '� 's'r:�:��' i'i j I.i., :•a. .�..j ;_i �:'; I ; � , .1. .1 L � J � i t• , I,. , I 1 l 1 3/40 911 DOOR POST' (RIGHT) 'FILL'WITH T NON -SHRINK GROUT I I ! ! I !ANFTELRACCEOLUMN IS i. FLOOR LINE mm . • � • • ', ( ! : j' i i III • � l..i I �.i j l �. • �. �: j 1 .:: • .. .. � i. .�•�., is i.i.;.';: i I:.:f :•I: � t I, !•i l IA ElyAi 2�t.T DAI �STRI£S �'o wr B Rj I I .FROM.aHUTLER ENGINEERING SERV 616 966 3630 1996,04-30 BUTLER MFG. COMPANY. ENGINEERING DATA FORM NO. 250-10 JOB MADE BY CKD. BY • C p� --++ '. it1� T I . 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