35 X195578 Model 8812 Equipment Shelter

2026-11-03

Provide an EKTO brand Model 8812 air monitoring shelter with features specified in this document and in the style supplied to PA DEP in the past . The outside dimensions of the shelter must be eight feet wide by twelve feet long by eight feet high . Specifications include , but are not limited to : Provide an EKTO brand Model 8812 air monitoring shelter with features specified in this document and in the style supplied to PA DEP in the past . The outside dimensions of the shelter must be eight feet wide by twelve feet long by eight feet high . Refer to Drawing 4959 - 1 , which is a drawing of an 8x12 shelter with the same specifications listed in this document . All exposed hardware must be galvanized or stainless steel , aluminum or otherwise treated to resist corrosion . The shelter shall be constructed to meet the following requirements : FLOOR ( on skids ): 120 lbs . per square foot uniformly distributed or 3 , 000 lbs . concentrated over any 3 square foot area . Nominal . 040 single - piece aluminum exterior skin laminated to 2 1 / 2 " polystyrene foam slab insulation and 5 / 8 " plywood , finished with 1 / 8 " thick vinyl floor tile or vinyl seamless covering . ROOF : 30 lbs . per sq . foot uniformly distributed or 500 lbs . over any 3 square foot area . Nominal . 040 single piece aluminum exterior skin laminated to 1 / 4 " plywood to form a strong equipment mounting panel using watertight blind threaded inserts . This exterior sandwich is laminated to 2 " polystyrene insulation having a tan aluminum ceiling covering . Shelter roof is designed for personnel traffic and will be standard roof rubber coating that is non - skid . Roof shall have a slant along the 12 ’ dimension with a rise of 2 - 1 / 2 inches from the short wall to the tall wall . The tall wall shall be on the roof access ladder side . MOBILITY : The shelter will withstand dynamic loadings as encountered during normal transport via trailer , railroad , aboard ship , air lift , forklift and crane handling . STRUCTURAL : Wind loadings up to 125 MPH . Seismic Zone 4 ( Note : Shelter , when commercially transported , will withstand up to 8G ’ s ). WALLS & DOOR : Nominal . 040 prefinished baked - on light tan polyester aluminum exterior / interior skins laminated to 2 " polystyrene slab insulation ( R - 12 ). MEMBERS : All panel members are formed 16 - gauge aluminum " hat " sections , 24 ” on center metal framing ; Shelter Specifications 4 / 14 / 2025 ; 1 ; PANEL ASSEMBLY : All shelter panels are vacuum - bonded , using high strength epoxy adhesive . Exterior skins are further riveted to panel members . SHELTER ASSEMBLY : Panels are jointed together with . 125 or . 180 thick aluminum corner angles with 3 / 16 " & 1 / 4 " closed end watertight blind rivets . All shelter joints are sealed with silicone caulking compound , remaining flexible after cure and providing a weather tight unit . SHELTER SKIDS : Two 2 " wide x 3 " high skids , longitudinal on shelter exterior floor . Skids are pre - drilled for trailer bolt down . These skids MUST be pre - drilled , and the shelter must be capable of bolt down onto an EKTO brand Model TR - 1 transport trailer . The shelter MUST meet the load handling capacity of this trailer . See Appendix C for Skid specifications . LIFT / TIE DOWN / LEVELING PROVISION : Four ( 4 ) lift and tie down rings mounted on the shelter floor bottom . Shelter tie down shoes are not needed . Each shelter bottom corner shall contain adjustable leveling tie down pads ( 8 inches sq .) with a total maximum adjustment of 4 inches . JACK LIFTS : Upper and lower jack mounts , mounted on each corner , are to provide for lifting and leveling capability when utilizing EKTO Manufacturing lifting jacks . The lower mount shall be welded to the large jack corner pockets ( on the right - and left - hand sides of the shelter ). Leveling Tie Down Pads shall not interfere with jack operation . DOOR : One main entrance door 36 " wide x 80 " high at the location shown in Drawing 4959 - 1 , fully gasketed , with cam - type door latch and padlock . Inside safety release when door is padlocked from the outside . Three heavy - duty chrome plated door hinges and hydraulic door closure . ( A doorknob or any integral locking mechanism is NOT acceptable ). A doorstop which holds the door open ( approximate 100 - degree angle ) must be provided . The Commonwealth will provide the padlock . SHELTER FINISH : All wall panel exterior / interior skins are pre - finished , baked - on light tan polyester coated , for long lasting life , abrasion and chip resistance . Shelter corner angles and caps are bare aluminum of an alloy type to resist corrosion and staining . Exposed hardware is either stainless - steel , zinc , cadmium or chrome plated to resist corrosion . Roof coated with rubber compound , nonskid . The shelter must have a 30 " wide , desk height workbench installed along the left 8 ’ wall . This workbench must have a 2 1 / 2  radius seed port every two ( 2 ) feet ( total of 5 ports ) for computer and equipment cables ( see Drawing 4959 - 1 ). The workbench shall be designed in such a way so there is 60 - 1 / 2 " from the ceiling to the bench top for entire length of the bench . All electrical components , hardware and wiring conform to the requirements of the NATIONAL ELECTRICAL CODE ( NEC ). Shelter must be pre - wired with a minimum 100 - amp service and shall contain the necessary hardware to allow the service wire to enter the housing and be hardwired through the top of the service panel ( 100 Amp , 240 / 208 shunt main breaker ). Electric service entrance shall be ground fed , LB - type ( do not supply a mast nor weather head ). Consideration should be given to the location of the tower , the ground fed service entrance , and any outside GFIC receptacles , so that they do not interfere with their respective operations . All shelter internal wiring will be enclosed in surface mount raceways ( Wiremold ) and conduits . The exterior shell and all internal metallic components are to be electrically grounded via a grounding lug for safety ( hook - up to grounding rod by others ). Internal electrical components and outlets are grounded via a separate ground wire in addition to the metallic conduit and raceway grounding system . External utility outlets are wired to a ground fault protector - type circuit breaker . The following circuit breakers and outlets must be provided : Two 20 - amp circuits with two duplex outlets each must be provided at workbench height along the 12 ' workbench wall . One 20 - amp circuit with three duplex outlets must be provided along the rear 8 ' wall . One 20 - amp circuit with three duplex outlets must be provided under the workbench . One 20 - amp circuit with four duplex outlets ; one outlet installed on the remaining 8 ' ( Smart Room Air Conditioner ) wall and 3 duplex outlets installed on the remaining 12 ’ wall . Two exterior 20 - amp circuits with 2 GFIC duplex receptacles ( one for each circuit ) must be provided . 20 - amp GFIC duplex receptacles to be installed on the outside rear wall . The placement of these two outlets should not interfere with the operation of the meteorological tower or main electrical feed . One 15 - amp circuit with one duplex receptacle installed near the blower motor on the rear wall of the housing . Other circuits , switches and outlets necessary for general station operation must also be provided ( e . g ., air conditioner , lighting , etc .) Interior fluorescent lighting controlled by an interior switch beside the door must be provided . A temperature control system , consisting of a recent model wall mount 240V Smart Room Air Conditioner . This Unit will provide cool and heat through this unit . The Smart Air conditioner is to be mounted through the same wall as door . The opening to receive the smart room air conditioner must not be smaller than 15 - 1 / 8 " x 19 - 3 / 4 ". Each shelter must contain a sampling manifold consisting of the following parts and hardware : 25 mm Air Sampling Cane , Funnel Type ( ACE Glass Part No . 7493 - 12 ) 25 mm Ace Glass Cane Extension ( ACE Glass Part No . D167200 ) 25 mm glass sampling manifold 39 inches long , with 8 ports ( ACE Glass Part No . D136901 ) Glass tee ( ACE Part No . 7495 - 06 ) Water trap bottle ( ACE Part No . 7501 - 11 ) Manifold blower ( ACE Part No . 7511 - 10 ) Roof attachment ( ACE Part No . 7508 - 06 ) Misc . items : Mounting hangers ( ACE Part No . 8862 - 03 ) Bleed adapter ( ACE Part No . 7499 - 21 ) Blower mount ( ACE Part No . 7509 - 09 ) Five ( 5 ) Nylon bushings with FETFE O - rings ( ACE Part No . 7506 - 10 ). The sampling cane must enter through the shelter roof in the left rear corner ( as one enters the shelter ). The manifold must traverse the rear wall within one foot of the ceiling and the blower must exhaust through the rear shelter wall . The cane , tee , bottle , manifold , bleed adapter must all be easily removable for cleaning . The glass tee is not to be connected directly to the nylon roof attachment . Excess threads of roof attachment that protrude into the interior space may be cut . Water bottle must be easily removed from wall bracket . In the lower right rear corner , the shelter must contain six 1 / 4 - inch stainless steel Swagelok bulkhead fittings to allow sensors to be exhausted from the shelter interior .

Pennsylvania

2026-05-09