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| 1 | Complete removal of existing treatment by scrapping with Trucare Wall Sander: L- 01/H-01 (having mechanical vacuum mechanism) or equivalent complete all as specified and directed. |
| 2 | M&L for thermal insulation and composite system on internal side of existing brick wall with first layer Inner insulation layer of self-extinguishing ( Fire Grade FR-Grade ) type expanded polystyrene (EPS) insulation board of 50 mm thick (max 2.0 m x 1.0m (measured as per IS 3346-1980) density of 18 kg/cum measured as per IS 5688-1982 fire retardant properly self estinguishing ( Fire Grade FR-Grade ) type as per EN 13501-1 bonded with special adhesive polymer or polymer modified cementations adhesive confirming to EOTA 004 (European Technical Approval) formulated to bond polystyrene insulation boards to typical mineral substrata (according to ETAG 004 and polypropylene mechanical fasteners with plastic Dowel pin confirming to EOTA ETAG 014 (European Technical Approval) having dia 10mm & L= 70 mm on finished level wall and the junction between two adjacent EPS board to be seated with low expansion moisture cure polyurethane Foam. Second layer consist of Fiberglass mesh covered with alkali-resistant coating mass per unit area greater than and equal to 175 gm/Sqm. Mesh size 3.90 x 4.00mm + or - 10% embedded in special polymer modified cementations base coat with hydrophones and the corners will be protected with corner beads with alkali-resistant mesh wings at least 10 cm wide mesh mass per unit area min 175 gm/Sqm. Finishing walls with 100% Premium acrylic emulsion paint having VOC less than 50gm/Ltr and UV resistance as per IS 15489-2004. Alkali & fungal resistance, Dir resistance exterior paint of required shade (Company Depot Tinted) with silicon additives ( Two or more coat applied @ 1.43ltr/10Sqm over and including priming coat of exterior primer applied @ 0.90 ltr/10Sqm. The surface will be levelled, finished and made smooth complete in all respect as per the manufactures specification complete all as specified and directed. |
| 3 | M&L for applying 2 coat of bitumen 85/25 grade @ 1.2Kg/Sqm over existing brick wall and over thermal insulation and composite system on external side with first layer of self-estinguishing ( Fire Grade FR-Grade ) type expanded polytyrene(EPS) insulation board of 100 mm thick (max 2.0 m x 1.0m (measured as per IS 3346-1980) density of 18 kg/cum measured as per IS 5688-1982 fire retardant properly self estinguishing type as per EN 13501-1 bonded with special polymer modified cementations adhesive confirming to EOTA 004 (European Technical Approval) formulated to bond polystyrene insulation boards to typical mineral substrata (according to ETAG 004 and polypropylene mechanical fasteners with plastic Dowel pin confirming to EOTA ETAG 014 (European Technical Approval) having dia 10mm & L= 120 mm on finished level wall and the junction between two adjacent EPS board to be seated with low expansion moisture cure polyurethane Foam. Second layer consist of Fiberglass mesh covered with alkali-resistant coating mass per unit area greater than and equal to 175 gm/Sqm. Mesh size 3.90 x 4.00mm + or - 10% embedded in special polymer modified cementations base coat with hydrophones and the corners will be protected with corner beads with alkali-resistant mesh wings at least 10cm wide mesh mass per unit area min 145gm/Sqm. Finishing walls with 100% Premium acrylic emulsion paint having VOC less than 50gm/Ltr and UV resistance as per IS 15489-2004. Alkali & fungal resistance,dir resistance exterior paint of required shade(Company Depot Tinted) with silicon additives ( Two or more coat applied @ 1.43ltr/10Sqm over and including priming coat of exterior primer applied @ 0.90 ltr/10Sqm. The surface will be levelled, finished and made smooth complete in all respect as per the manufactures specification and complete all as specified and directed. |
| 4 | M&L for applying two coats of bitumen 85/25 grade @ 1.50 kg/Sqm over finished RCC Slab and over EPS sheets ( Fire Grade FR-Grade 2000mm X 1000mm X 150mm LBH )) having density 36 Kg/Cum and over heat resistant terrace tile 9300x300x20mm) laid over 20mm thick plastering in CM 1:4 and well jointed to gaps of tiles all as per manufacturer’s instructions and specification complete all as specified and directed. Note- :Proper Vapour barrier with Polyethene Sheet of thickness 0.25mm shall be used before laying EPS layer. |
| 5 | Taking down chowkhat or frame with shutter (without taking off shutter from the frame) and area n.exc 1.5 Sqm each complete all as specified and directed. |
| 6 | S&F Factory made uPVC prelem colour fixing type DGU (Doouble glazed Unit ) window with 6mm-12 airgap-6mm glass UPVC windows with SC value of 0.44 and U value of 1.71, transmission 54%) (Two nos. glazed & one no. wire mesh panels) upto 1.50m height made of (big series) frame 112 x 52mm & sash 42x 68 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead / double glazing bead of appropriate dimension. (Area of window above 1.75 sqm) comprising of uPVC multi- chambered frame, with inbuilt roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, complete all as specified and directed by Engineer-in-Charge. |
| 7 | DESIGN & ENGINEERINGDesign, preparation, submission and vetting of complete design and detailed engineering drawings for Geothermal Based Central Cooling System, including heat load calculations, borehole heat exchanger (BHE) layout, plant room layout, piping layouts, electrical and control schematics, complete all as specified and directed. (i) Drawings shall be vetted from IIT/NITand shall be subject to approval by Accepting officer.(ii) Any modifications suggested during vetting/approval shall be incorporated by the contractor at no extra cost. |
| 8 | GEOTHERMAL BOREHOLE SYSTEM Providing and drilling boreholes (vertical/horizontal) using mechanical drilling rigs up to required depth (Min 120 m), lowering HDPE pipes, thermally enhanced grouting, interconnection to heat pump system, complete all as specified and directed. |
| 9 | Supply, installation, testing and commissioning of HDPE probe DN40 SDR11 complete all as specified and directed. |
| 10 | Supply, installation, testing and commissioning of HDPE Pipe DN40, SDR11 (Horizontal Connection) with all fittings and fixtures complete all as specified and directed. |
| 11 | Supply, installation, testing and commissioning of 40 kg Cast Iron Conical Weights for borehole pipe entubation including lowering and fixing with HDPE pipe complete all as specified and directed. |
| 12 | Supply, installation, testing and commissioning of Borehole Heat Exchanger (BHX) Manifold – 6 Branch, 40 mm with 63 mm Header, complete all as specified and directed. |
| 13 | Supply, installation, testing and commissioning of Thermally Enhanced Grout (TEG) complete all as specified and directed. |
| 14 | HEAT PUMP & PLANT EQUIPMENTSupply, installation, testing and commissioning of of three-phase Ground Source Heat Pump (5/22 kW) (brine-to-water), inverter driven scroll compressor, electronic expansion valve, plate heat exchanger, circulation pumps, acoustic enclosure, safety controls and control panel. Suitable for 415 V ±10%, 50 Hz supply. Refrigerant R-410A. Minimum efficiency class A++. Cascade capable. Noise ≤ 71 dB. complete all as specified and directed. |
| 15 | Supply, installation, testing and commissioning of Buffer Tank – 500 Litre, carbon steel, thermally insulated with rigid HCFC-free polyurethane foam, complete with internal flexible corrugated spiral coil, pressure rating minimum 2 bar complete all as specified and directed. |
| 16 | Supply, installation, testing and commissioning of Domestic Hot Water (DHW) Tank – 300 Litre, carbon steel, thermally insulated, complete with internal heat exchange coil, pressure rating minimum 8 bar complete all as specified and directed. |
| 17 | Supply, installation, testing and commissioning of Expansion Vessel – 24 Litre complete all as specified and directed. |
| 18 | Supply, installation, testing and commissioning of MAGNA 40-120F Circulator Pump complete all as specified and directed. |
| 19 | Supply, installation, testing and commissioning of Re-circulation Pump UPS-25 40-180, canned rotor type, suitable for hot water circulation complete all as specified and directed. |
| 20 | Supply, installation, testing and commissioning of Domestic Hot Water (DHW) booster pump, horizontal centrifugal type, complete with suction & delivery connections, valves, NRV, flexible connections and electrical works complete all as specified and directed. |
| 21 | AIR CONDITIONING TERMINALS & VENTILATIONSupply, installation, testing and commissioning of Hi-Wall Type Fan Coil Unit (FCU) – 1.5 TR with 2-way valve station complete all as specified and directed. |
| 22 | Supply, installation, testing and commissioning of HRV 500 CMH complete with filters, controls and accessories complete all as specified and directed. |
| 23 | Supply, installation, testing and commissioning of insulated flexible ducts, diffusers, steel cowl louvers and accessories as required complete all as specified and directed. |
| 24 | PIPING, VALVES & FITTINGSProviding, laying, jointing, testing and commissioning of complete PPR piping system PN10 including pipes, elbows, tees, reducers, sockets, unions, flanges, brass ball valves, check valves, strainers, safety valves, air vents and expansion bellows. Joints to be fusion welded/threaded as applicable and pressure tested, complete all as specified and directed. |
| 25 | ELECTRICAL WORKS Providing, laying, connection, testing and commissioning of electrical works including RCBO/MCB, power and control cables (copper), conduits, channels, terminations, earthing and accessories complete as per IE Rules and MES practice complete all as specified and directed. |
| 26 | MISCELLANEOUS & CONSUMABLESProviding and fixing fasteners, threaded rods, washers, sealants, insulation aluminium tape and approved consumables required for completion of work complete all as specified and directed. Note for item No 08 to 26 : The contractor execute the work under supervision of experienced technical personnel who have executed similar geothermal based projects. Please Enable Macros to View BoQ information |
