GE(U)/CHM-35/2020-21 - SEALING OF UNUSED / DEFUNCT BOREWELL FOR HYG AND SAFETY PURPOSE UNDER GE (U) CHANDIMANDIR

Amount

M&L for {PCC 1:2:4 type B-2 using 40 mm graded crushed stone aggregate as in filling of bore well sealing complete all as specified and directed.

M&L for gravel of practical size 20 mm – 40 mm for pouring in bore well sealing complete all as specified and directed.

M&L bentonite granule /chips size 5 to 20 mm for filling of bore well complete all as specified and directed.

Taking out from unserviceable bore well existing unserviceable column pipe of 80 to 150 mm bor complete all specified directed and depositing to MES store yard.

Taking out from flat submersible Copper cable of any from bore well to starter panel complete all as specified and directed.

M&L for welding of well cap of 200 to 500 mm dia size on top of pipe with 10 mm thick MS plate complete all as specified directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified & directed.

M/L of Framed work such as grill, granting’s etc. with ends of bars shouldered and/or riveted, or forget into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; frameworks of water tanks and similar work conforming to Fe 410-0 or Fe 310-0

Dismantling and taking up submersible motor pumpest 10 to 75 HP, 3 phase from the tube well after disconnecting the electric connections, shifting the same to the MES store yard, complete all as specified and as directed.

Supply and fixing in replacement cast iron sluice valve 150 mm bore with flanged ends and SS stem(AISI410) class PN 1.6 non rising stem type with hand wheel operation, duly ISI marked complete including all jointing materials such as nuts, bolts, washers, rubber etc all as directed.

All as per item srl no. 10 here-in-before but of size 100mm bore

Supply and fixing column pipes with flanged ends made from 100mm dia MS black med grade class B with and incl 10 mm thick MS flanged dully welded at the ends drilled with holes for bolts incl jointing materials such as nuts/bplts/washers/rubber gaskets etc complete all as directed.

S & F cast iron foot valve flanged type of size 200mm dia complete incl all jointing materials such as nuts, bolts, washers, rubbers gaskets etc all as directed.

Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for (found of pump sets) including disposal of unserviceable material complete all as specified and as directed.

Demolition of brick work built in cement mortar including all quoins , arches, pillers etc complete all as specified and directed.

M&L for brick work with sub class ‘B’ bricks, straight or curved on plan to exceeding 6mm mean radius, built in 1:4 cement mortar complete all as speechified and directed.

M & L for 10 mm thick rendering in cement mortar 1:4 on fair faces of brick wall or concrete surface finished even and smooth without using extra cement complete all as specified and directed.

S&F Girder “H” Section hot/ cold rolled MS as in beams grinder for Lifting/lowering of submersible pumps set tc complete as all directed.

M&L for clearing of pump house area by digging out bushes, shrubs, wild grass etc and leveling the surface complete all as directed.

Flushing the bore well of size up to 400 mm dia 200 meter deep by means of air compressor of capacity not less than 650CFM at 150 PSI pressure for not less than four hours till the clear after comes out.

Note: Quoted Contract Sum shall be arrived at after deducting the amount of Credit Schedule (refer Schedule of Credit Revised in pdf form for quantity, rate and amount etc.) for old unserviceable materials retrieved from site.

Sham Sunder Bansal

G S CONSTRUCTIONS

M/S Gupta and Sons