Fabrication, Inspection, Performance testing, Supply, Installation and Commissioning of Ventilation system of WPF Project at SWMF, NRB, BARC, Tarapur

Issuing of FIM from store, Installation, Testing and Commissioning of Centrifugal Type ventilation supply & exhaust fans along with motor, protection equipment, base frame, belt guard, flexible connection at inlet & outlet, vibration isolators etc. of capacity 65000 m3/hr @ static pressure 100 mm WG (2 Nos.) and Capacity 70,000 m3/hr @ static pressure 220 mm WG. (2Nos) capacity as per technical specification and site requirement.

M.S. Support for ducts, plenums, structural supports, ducts stiffeners, bracings along with epoxy primer and epoxy painting (angle/ channel / plate/ pipe / rod / fasteners/ E.P etc.). Supply of materials, fabrication and installation as per the specification and site condition.

Supply of butterfly type circular Isolation dampers (Dia. 1200mm x 300 mm) for Exhaust filter bank Inlet with flexible metallic sealing to ensure leak tightness of minimum 99.8%, Double acting Rotary type pneumatic actuator as per the specifications:

Installation of Butterfly type isolation dampers – for fans & Filter bank inlet / outlet, duct along with necessary MS support structure as per the specification and site condition. (support material & fabrication cost is paid separately as per item no.2)

Supply and intallation of MS Leak tight doors of sizes: 900x2100 for filter banks of Supply system as per the specification.

Supply and intallation of SS304L Leak tight doors of sizes: 900x2100 for filter banks of Exhaust system as per the specification.

Supply, fabrication & Installation of Exhaust system SS 304L filter retainer frame (6x4 module) for Pre and HEPA filters onto the E.P.'s provided in RCC filter bank as per the specification and site condition.

Supply, fabrication & Installation of Exhaust system SS 304L filter retainer frame (6x3 module) for Pre and HEPA filters onto the E.P.'s provided in RCC filter bank as per the specification and site condition.

Supply, fabrication & Installation of Supply system Mild Steel filter retainer frame (5x3 module) for Washable and PRE filters in supply fan room as per the specification and site condition.

Supply, fabrication and installation of Louvers & SS wire mesh bird screen along with its mounting frame as per the specification and site condition.

Supply Duct (GI, 20G, Grade 120 gm/m2 Zinc Coating): Preparation of fabrication drawings/site erection drawings, Procurement of material, fabrication, installation, complete with supports out of angles / channels /rods, anchor fasteners wherever required, GS nuts, bolts, gaskets, testing, painting, brick wall opening and as per the specification and site condition. This cost will be based on the weight of actual GI sheet used. However, support material & its fabrication cost will be paid separately as per item no.2.

M.S. 3 mm thick return air duct, Preparation of fabrication drawings /site erection drawings, Procurement of material, fabrication, welding, DPT, installation complete with supports out of angles / channels / rods, anchor fasteners wherever required, all welded joints with its support, testing, painting, brick wall opening and as per the specification and site condition. This cost will be based on the weight of actual MS sheet used. However, support material & its fabrication cost will be paid separately as per item no.2.

M.S. 5mm thick plenum / riser, Preparation of fabrication drawings / site erection drawings, Procurement of material, fabrication, welding, DPT, installation complete with supports out of angles / channels /rods, anchor fasteners wherever required, all welded joints with its support, testing, painting, brick wall opening and as per the specification and site condition. This cost will be based on the weight of actual MS sheet used. However, support material & its fabrication cost will be paid separately as per item no.2).

SS 304L, 3 mm thick, ducting near the outer boundary of building, stiffeners: Preparation of fabrication drawings / site erection drawings, Procurement of material, Fabrication, welding, DPT, installation along with its support, testing, painting, brick wall opening and as per the specification and site condition. This cost will be based on the weight of actual SS 304L sheet used. However, support material & its fabrication cost will be paid separately as per item no.2).

Flow balancing dampers for supply and exhaust ducting (Al powder coating with gear operated manual operated): procurement, installation, testing and as per the specification and site condition, Cost is based on area of the duct in which damper is installed.

Supply air grilles with opposed blade volume control dampers (VCD), (18 G thk. blade Al with powder coating): procurement, installation, testing and as per the specification and site condition, Cost is based on the neck area of the grill.

Return air grilles with opposed blade volume control dampers (VCD) and MOC as 1.6 mm thk MS with powder coating: procurement, installation, testing and as per the specification and site condition. Cost is based on the neck area of the grill.

Supply and installation of Propeller Fans complete with motor, cables, installation frame, wall cowl etc and electrical wiring with plug top from the nearest socket point for fans as per the specification and site condition.

Supply fan: 1500 CMH & 15mm WC

Exhaust fan: 2000 CMH & 15mm WC

15 NB threaded nozzle with metallic cap on supply and installation on exhaust duct / Plenum as per requirement.

Supply of GI Coated anchor fasteners as per standard specifications (Size M12 x minimum length 110mm, HSL-3G Type or Fischer model FH-II.

Supply and installation of Split Air conditioner unit: 2 TR as per the specifications.

Brick wall opening to be made for duct installation at various locations as per site requirement.

Brick wall opening to be made for duct installation at various locations as per site requirement.

Air flow balancing, testing and commissioning of entire Air Conditioning and Ventilation System as per tender technical specification.