INSTALLATION OF SOLAR WATER SUPPLY SYSTEM AT TARANI KANTA MSK Sansad( 16/181 ) under CHURABHANDAR G.P , Maynaguri Block, Jalpaiguri.

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Cement concrete with 30 mm down graded shingles excluding shuttering. N.B. Variety In ground floor 1:3:6 proportion.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. ii ) River Bazree.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. For works in foundation and upto roof of ground floor/upto 4 m. Tor steel/Mild Steel, III. OTHER MANUFACTURERS NOT SPECIFIED.

M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a hight of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. i) For roof truss works. a) Span up to 12 Mtr

Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day with necessaryarrangements for testing the yield in gallons per hour with 'V' notch including hire and labour charges for all tools and plants and scaffolding as required.

Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved qualityhaving size from 2 mm to 5 mm or the size approved by the Engineer-incharge including cost of all materials labour and equipment complete.

WRI &DD SCHEDULE, Chapter-12.00, Page - 1 / Item - 1(a) Solar Module : Supply, transport , installation and commissioning of ISI marked Solar Modules as per following specification 1. Cell : Indigenous mono crystalline silicon SPV cells. 2. Solar Modules: Monocrystalline cell with PERC technology / module with bifacial cell. 3. Standards: ISI marked as per IS 14286 and having certification of IEC 61853(1), 61730(1&2), 61710. 4. Modules must qualify to IS 170210(Part 1) 5. Min Efficiancy: 19.5% 6. Fill Factor: More than 75% 7. Modules wattage mismatch in the SPV array: within (+/-)3% 8. Wattage output warranty: Should not be less than 90% at the end of 10 years and 80% at the end of 25 years. 9. The power output of individual PV modules used in the PV array, under STC: minimum 300 Wp. Necessary test certificate also to be supplied. For details information please see Cl. no. 2.1 of technical specification. a) For 1 HP Off-grid Solar Water Pumping System with Monocrystalline/ Monocrystalline PERC/ bifacial SPV modules- 900-1200 Wp.