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| 1 | M & L for 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 including borehole field design and hydraulic schematic, 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 in all respects. Drawings shall be vetted from IIT/NIT and shall be subject to approval by Accepting officer. Any modifications suggested during vetting/approval shall be incorporated by the contractor at no extra cost. However, vetting of design shall not absolve the contractor of responsibility for satisfactory performance of the system during testing and commissioning as specified. |
| 8 | GEOTHERMAL BOREHOLE SYSTEM M & L for providing and drilling vertical geothermal boreholes using suitable mechanical drilling rigs up to minimum depth of 120 m per borehole, including casing as required to maintain bore stability, bore cleaning, logging of strata encountered and preparation of borehole for installation of geothermal probe complete all as specified. |
| 9 | Supply, installation, testing and commissioning of HDPE U-tube geothermal probe of PE-100 grade, SDR-11, DN-40, including butt-fusion welded joints, lowering of probe assembly into borehole, pressure testing and preparation for borehole grouting complete all as specified.Note - Conical weight and thermally enhanced grout shall be measured and paid separately under respective items of BoQ. |
| 10 | M & L for providing, laying, jointing, testing and commissioning of HDPE pipe PE-100, SDR-11, DN-40 for horizontal interconnection of borehole heat exchanger loops to header/manifold, including excavation, sand cushioning, fittings, butt-fusion welded joints, refilling, compaction, flushing and commissioning of ground loop circuit complete all as specified. |
| 11 | Supply, installation, testing and commissioning of 40 kg cast iron conical weights for geothermal borehole probe entubation, including lowering, fixing and securing with HDPE probe assembly to facilitate proper positioning of probe within the borehole complete with clamps, fasteners and accessories complete all as specified. |
| 12 | Supply, installation, testing and commissioning of Borehole Heat Exchanger (BHX) manifold comprising 6 branch connections DN-40 connected to DN-63 header made of HDPE PE-100 SDR-11 piping, complete with isolation valves, balancing valves, air vent, drain valve, necessary fittings, supports and interconnection with geothermal ground loop piping including butt-fusion welded joints, pressure testing and commissioning of manifold assembly complete all as specified. |
| 13 | Supply and installation of thermally enhanced grout (TEG) for geothermal borehole heat exchanger system comprising cement-bentonite based grout with thermally conductive additives having minimum thermal conductivity of 1.2 W/m·K, including preparation, mixing, pumping and filling of grout in borehole annular space using tremie pipe method from bottom to top to ensure proper thermal contact between HDPE probe and surrounding soil strata, including curing and sealing of borehole top complete all as specified.Note for item No 08 to 13 - Borehole drilling, probe installation, conical weight installation, grouting and interconnection piping shall collectively form part of the geothermal borehole heat exchanger system and shall be executed in accordance with approved design, specifications and drawings. |
| 14 | HEAT PUMP & PLANT EQUIPMENTSupply, installation, testing and commissioning of factory manufactured three-phase Ground Source Heat Pump (GSHP), brine-to-water type, nominal capacity not less than 22 kW heating/cooling suitable for geothermal application, complete with inverter driven scroll compressor, electronic expansion valve, stainless steel plate heat exchanger, circulation pumps, microprocessor control panel, acoustic enclosure and necessary safety controls. The unit shall be suitable for 415 V ±10%, 50 Hz, 3-phase power supply and shall use refrigerant R-410A or equivalent environmentally acceptable refrigerant. The heat pump shall have minimum Coefficient of Performance (COP) 3.0 in heating mode at entering brine temperature 10°C and leaving water temperature 35°C. The unit shall be complete with high/low pressure protection, freeze protection, flow switch interlock, overload protection, fault indication display and all accessories required for satisfactory operation complete all as specified.Note:- (i) Heat pump performance shall be certified as per AHRI / Eurovent or equivalent international standard.(ii) The unit shall be compatible with geothermal brine circuit using propylene glycol solution.(iii) Installation shall include necessary piping connections, electrical connections, vibration isolators and commissioning. |
| 15 | Supply, installation, testing and commissioning of Buffer Tank of 300 litre capacity fabricated from carbon steel, internally treated and externally thermally insulated with rigid HCFC-free polyurethane foam insulation, complete with internal flexible corrugated spiral coil heat exchanger, suitable for working pressure not less than 2 bar, including necessary supports, inlet/outlet connections, valves, insulation, fittings and all accessories required for satisfactory operation complete all as specified. |
| 16 | Supply, installation, testing and commissioning of Domestic Hot Water (DHW) Storage Tank of 200 litre capacity fabricated from carbon steel, internally treated and externally insulated with rigid HCFC-free polyurethane foam insulation, complete with internal heat exchange coil, suitable for minimum working pressure 8 bar, including necessary inlet/outlet connections, temperature relief valve, fittings, supports and all accessories required for satisfactory operation complete all as specified. |
| 17 | Supply, installation, testing and commissioning of Expansion Vessel of 24 litre capacity suitable for closed hydronic geothermal heating system, complete with pre-charged diaphragm, mounting arrangement, isolation valve, connection fittings and accessories complete all as specified. |
| 18 | Supply, installation, testing and commissioning of circulation pump suitable for geothermal heat pump system (equivalent to MAGNA 40-120F or approved equivalent), including motor, pump housing, base frame, vibration isolators, suction and delivery connections, valves, NRV, strainers, electrical connections and all accessories required for satisfactory operation complete all as specified. |
| 19 | Supply, installation, testing and commissioning of hot water recirculation pump (equivalent to UPS 25-40-180 canned rotor type or approved equivalent) suitable for domestic hot water circulation system, including suction and delivery connections, isolation valves, NRV, flexible connections, electrical wiring and accessories complete all as specified. |
| 20 | Supply, installation, testing and commissioning of Domestic Hot Water (DHW) booster pump, horizontal centrifugal type, complete with motor, base frame, suction and delivery piping connections, valves, NRV, pressure gauge, flexible connections, electrical connections and accessories complete all as specified. |
| 21 | AIR CONDITIONING TERMINALS & VENTILATIONSupply, installation, testing and commissioning of Hi-Wall Type Fan Coil Unit (FCU) of nominal cooling capacity 1.5 TR suitable for geothermal hydronic system, complete with copper tube aluminium fin cooling coil, low noise fan motor, washable air filter, insulated drain tray, room thermostat and 2-way motorised control valve with valve station for automatic water flow control, including electrical connections and mounting arrangement complete all as specified. |
| 22 | Supply, installation, testing and commissioning of Heat Recovery Ventilator (HRV) of capacity 500 CMH, complete with energy recovery heat exchanger core, supply and exhaust fans, washable air filters, control panel, fresh air intake arrangement, electrical wiring, vibration isolators and all accessories required for satisfactory ventilation operation complete all as specified. Note - Ventilation shall comply with ASHRAE/ISHRAE minimum fresh air requirements for occupied spaces. |
| 23 | Supply, installation, testing and commissioning of complete air distribution system comprising insulated flexible ducts, supply air diffusers, return air grilles, steel cowl louvers, volume control dampers, duct supports, fasteners, sealing and accessories required for proper distribution of conditioned air complete all as specified. |
| 24 | PIPING, VALVES & FITTINGSM & L for providing, laying, jointing, testing and commissioning of PPR piping system PN-10 for hot/chilled water circulation including PPR pipes and fittings such as elbows, tees, reducers, sockets, unions and flanges, complete with brass ball valves, non-return valves, strainers, safety valves, automatic air vents and expansion bellows, fixed with necessary clamps, hangers, supports and anchor fasteners as required. Pipes and fittings shall be polypropylene random copolymer (PPR) conforming to relevant IS/DIN standards. Joints shall be made by polyfusion welding using electrically heated fusion tools, and threaded connections shall be provided where required for valves and equipment connections. The work shall include cutting, alignment, jointing, fixing, flushing, hydraulic pressure testing at 1.5 times working pressure and commissioning of the complete piping network, complete all as specified.Note - The piping system shall be complete with pipe supports, hangers and necessary accessories required for proper installation. |
| 25 | ELECTRICAL WORKS M & L for providing, laying, connection, testing and commissioning of complete electrical works for geothermal HVAC system including RCBO/MCB protection devices, copper power and control cables of suitable size, PVC conduits/cable trays/channels, cable terminations, glands, lugs, earthing arrangements, interconnections with heat pump units, pumps and control panels, testing and commissioning of electrical installation complete all as specified and in accordance with IE Rules and MES standard practice.Note - The scope shall include supply and laying of all power and control cabling, conduits/trays, earthing conductors and accessories required for complete electrical installation of the system. |
| 26 | MISCELLANEOUS & CONSUMABLESM & L for providing and fixing fasteners, threaded rods, nuts, bolts, washers, sealants, insulation aluminium tape and other approved sundry installation materials and consumables required for proper installation, fixing, sealing and completion of geothermal HVAC system including piping supports, duct supports, equipment fixing arrangements and associated works complete all as specified.Note - The item shall include all minor materials and consumables required for installation and completion of work which are not measured separately in the schedule. Please Enable Macros to View BoQ information |
