PROVN OF RE CONSTRUCTION RESTRENTHENING OF RETAINING WALL NEAR BLDG NO HAV 23 OF 517 ASC BN AT NEW MIL STN GANGTOK UNDER PARA 36 WKS OF DWP 2020

Amount

Demolition of Brickwork or stone/ boulder masonry built in cement mortar complete as in Retaining wall complete all as specified and directed.

Rough excavation not exceeding 1.5 m deep and getting out in soft/disintegrated rock! for foundation of Retaining wall complete all as specified and directed.

xcavation over areas n exc. 1.5m deep in soft/disintegrated rock for foundation of retaining wall complete all as specified and directed.

M&L for PCC 1:3:6 type C2 (40 mm gradede aggregate) as in foundation and mass concrete complete all as specified and directed.

M&L for plain cement concrete 1:3:6, type C-2 as in retaining wall etc complete all as specified and as directed. Note: Refer drawing attached at Appx 'A'.

M&L for PCC 1:2:4 type B1 (20 mm gradede aggregate) as in coping, bed plates including weathering, slightly rounded or chamfered angles and throating, all as specified and as directed.

M&L for RCC M25 design mix( 20 mm aggregate) in beam over 1.5 meter span complete all as specified and as directed.

M&L for Formwork to faces of walls,retaining wall etc; vertical or batter for rough finished surfaces. all as specified and as directed.

S&F TMT bar 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping of columns, hooking ends and biniding wireand including mild steelw wire (annealed) not less than 0.90 mm dia or securing with clips.

Ditto as per item no -9 but 5 mm and over upto and including 10 mm dia in stirrups spacersand binders complete all as specified and directed.

S&F PVC(SWR) 75mm dia pipes single socketed, in any length as in weep holes complete all as specified and directed.

S&F of geosynthetic material 75mm dia as in weep holes cover complete all as specified and as directed.

Returning, filling in soil incl watering, well ramming, etc complete all as specified and directed.

Removing excavated material exc. 1.50 km but n exc. 5 km and depositing where directed complete all as specified and as directed.

Labour only for Hand packing using Broken stone or boulders (any thickness) at back of block masonry retaining wall and raising or lowering to the required level complete all as specified (Using item obtained from complete all as specified and as directed.

Demolition of cement concrete(un reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M & L PCC 1:3:6 type C2 using 40mm graded stone aggregate as in surface channels/drain inluding necessary from work complete all as spfd and directed. Note: Form work shall measured and paid seperately.

M&L for 75 mm thicks 1:3:6 type C-2 (40mm graded aggregate) as in plinth protection finished the surfaces even and smooth without using extra cement complete all as spfd and directed.

Taking down 25mm dia steel tubing and connections, including cleaning and refixing or removal to store complete all as directed.

Supply and fix galvanised steel water tubing 25 mm bore, medium grade with all fittings and fixed complete to walls/ceiling or laid in floors complete all as directed.

Refixing of old 25mm bore steel tubing and connections in new or old position (wall, ceiling or floor, etc) complete all as directed.

Dismantling water tanks and removing to store Exc 250 n Exc 500 Ltr complete all as directed.

S&F for rotational moulded polyethylene water storage tanks 500 Ltr capacity (cylindrical vertical with closed top) hoisted and fixed in position etc complete all as spfd and directed.

S&F in repairs for Gun-metal, globe or gate valves, 25mm bore with iron wheel head, screwed both ends for iron pipe and fixed etc complete all as spfd and directed.

Darjeeling Enterprises

M/S S. S CHETTRI AND SONS

Janata Enterprises

BIJAY MITTAL

Damdoo Bhutia

RABI BANIK

MS CHOWDHURY ENTERPRISE

M/S TSHERING BHUTIA