PROVISION OF CENTRALISED DUAL MODE (ELECTRICAL AND SOLAR) SOLAR WATER HEATING SYSTEM 06 NOS AT SAINIK SCHOOL JHANSI

Amount

Supply , Installation testing & commisioning of Centralised dual Mode (Electrical & Solar ) water Heater of capacity 2000 LPD with 20 Nos solar flat plate colletors made of Aluminium body with tougheneed glass insulated hot water storage tank with provision of 18 KW electric back up ( 6 x 3 KW) Air vent & Drainage inter connections circulation piping in between the system, collectors & Hot water tank stand, control valve temp gauge etc. Air release valve, Check valve gate valve, Control and instrument etc. with all fitting and grouting in PCC 1:3:6 in suitable size for installation of solar water heater including Civil Work required for installation of Solar Water heater complete all as specified and directed and including the following:-

(b) Cover Plate shall be thoughened glass confirming to IS 12933 (Part-I)-1992 with ammendment No-1 and 2 collector box shall be made of aluminium sheet type grade size and finish of material used shall be as per IS 12933 (Part-I) - 1992 with amendment No-1 and 2, absorber collector box insulation shall confirm to type grade and size finish of material used shall be as per IS-12933 (Part-II- section V)-1992 with amendment No-1 and 2 gasket gourmets shall confirm to IS-12933( part-II section VI )-1992 with amendment No-1 and 2.

(c) Insulated stainless steel Hot water storage tank non pressure type made of stainless steel grade 04 Cr 18 NI or 07 Cr 18 NI of IS 1570 (Part-3)-1985, TIG tank welded of 2000 ltrs capacity non magnetic tank with stainless steel fitting with following specification -01 No. Shall be insulated with 40mm thermal grade PU insulation FRP cladding, tank stand assembly shall be made of angle of size 38x38x4 mm duly pretreated and stove enameled with black colour paint. (Tank stand shall be measured and painted seperately).

(d) Provision of electric back up minimum 2 KW heating element including providing 1 No 16 Amp MCB 9/10 KA rupturing capacity in sub-main distribution board (catered in schedule of internal electrification) and concealed conduit with 4 sqmm single core stranded copper conductor PVC insulated wire from outlet of MCB to electric back up with connected acessories- 01 Job. The solar water heater system shall be provided on roof of single/double story building the electric back up connection shall be tapped from sub main board provided at ground floor . (e) Heat exchanger shall be cage type and made of stainless steel tube of grade for Cr 18 NI of IS 1570 (part-V)-1885

Note :- The system shall be tested on completion to ensure that 2000 (as specified) liters of water at 60 degree centigrade is available in hot water tank on a normal. Normal water pipes and accessories from the normal water over head tank to inlet of plate collector shall be deemed and to included in the cost. however hot water pipes from hot water storage tank to bathroom/kitchen shall be measured and paid seperately

S & F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 complete all as specified and directed

S&F in position rotational moulded polyethylene water storage tanks (triple layered construction) 2000 lts capacity (cylinderical vertical with closed top) hoisted and fixed in position complete all as specified in SSR Part I

Supply, fixing, laying & testing (Nominal bore) galvanised iron water tubing 'medium grade' with and including all GI fittings such as flanges, unions, reducer sockets, socket reducing bends, elbows, tee, checknuts, caps, plugs etc. fixed complete to walls and ceilings or laid in floors and testing complete all as specified and directed for the following bore of pipe :- Note : 1. The excavation & earthwork shall be measured & paid for separately. 2. The cost of all type of GI fitting i.e. bend, tee, elbow, reducer, union, nipple etc is deemed to be included in quoted rates.

15mm bore size

20mm bore size

25mm bore size

Supply & fixing of Hot water pipe duly insulated with glass wool and aluminium cladding 15 mm bore medium grade GI pipe complete all as specified & directed.

Supply & fixing of Hot water pipe duly insulated with glass wool and aluminium cladding 20 mm bore medium grade GI pipe complete all as specified & directed.

Supply & fixing of Hot water pipe duly insulated with glass wool and aluminium cladding 25 mm bore medium grade GI pipe complete all as specified & directed.

S&F Gun-metal gate valves, with iron wheel head, screwed both ends for iron pipe of size 20mm complete all as directed.

S&F Gun-metal gate valves, with iron wheel head, screwed both ends for iron pipe of size 25mm complete all as directed.

S&F of CP Bib taps , cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule of size 15mm dia complete all as specified and directed.

Cutting and screwing of existing GI pipe for taking branch in position and screwing both ends for provision of and insertion of GI Tee for taking 25mm branch connecttion along with necessary GI unions and nipples as per site requirement.

Supply and fix MCB distribution board, SPN, 4 way in sheet steel powder painted enclosure double door type with minimum IP 43 degree of protection with built in copper bus bar, neutral link and earth link complete including cutting the wall surfaces for flush mounting of DB and making good with cement plaster, putty and paint to match with the existing surface all as specified and directed. Note: MCBs shall be measured and paid separately.

S&F of MCB 63A, 10 KA, TPN, 415 V, 50 Hz complete all as specified and directed.

M&L for Circuit/submain wiring alongwith earth wire 4 runs x 10 sqmm + 1 run x 10 sqmm with FRLS insulated copper conductor, single core cable drawn through and including medium grade rigid PVC conduit conforming to IS:9537 (Pt-III) and its all accessories/junction boxes/ inspection covers etc of suitable size but not less than 20mm concealed in wall/ floor etc complete all as specified and directed by Engineer-in-Charge. Note: Three runs of copper cable and one run of PVC conduit shall be measured as one unit length

Supply and laying or fixing or passing through pipe, 1100 volts grade heavy duty cable with XLPE insulated stranded aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or strip and overall PVC sheathed, 16 sq mm 4 core in service connections as per IS 7098(Part 1) including connecting on LT OH line / LT panel /DB with suitable lugs, glands, binding wire etc complete all as specified and directed.

Material and labour for Double wall corrugated HDPE pipe, ISI marked of outer dia 50mm, inner dia 38mm with smooth internal and profiled external surface, non-pressure type, laid in trenches/floors/duct or fixed on walls /pole including all connections, accessories like socket, couplers, bends, etc for protection of LT cable XLPE grade 1100 volts complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m depth for laying of GI Pipe and getting out in any type of soil complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including leveling, watering and well ramming in layers not exc 25 cm complete all as specified and directed by Engineer-in-Charge.

Removing excavated material not exc 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified and directed by Engineer-in-Charge.

M/S Kumar Contractors (BID ID -3425895)