RESTRENGTHENING RECONSTRUCTION OF RETAINING WALL NEAR MT PARK AT OLD CANTT UNDER GE GANGTOK

Amount

Demolition of old stone/boulder masonary retaining wall, built in cement mortar complete all as specified and as 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.

Excavation 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 (using 40 mm graded crushed stone aggregate) as in foundation and mass concrete complete all as specified and directed.

M&L for PCC (1:3:6) type C2 as in plum concrete in retaining walls etc including plums of stone boulders (Basalt, trap or any other approved) of size 200 to 300mm complete all as specified and as directed. Note: Boulders will be measured and paid in separate item.

Supply only boulders exceeding 20cm and upto 30cm dia (Basalt, trap or any other approved) of size 200 to 300mm complete all as specified and as directed.

M&L for PCC (1:2:4) type B-1 (using 12.5mm graded crushed stone aggregate) in coping including weathering slightly rounded or chamfered angles and trotting complete all as specified and as directed.

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

M&L 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.

M&L for returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in thick as in soft / loose soil complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 M and deposited at a level not exceeding 1.5 M above the starting point complete 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 complete all as specified and as directed.

All as per item No 12.00 here-in-above but 5 mm and over upto and including 10 mm dia in stirrups spacers and binders complete all as specified and directed.

M&L for RCC M-25 (Design Mix) (using 20mm graded crushed stone aggregate) as in foundation, including rafts, footings, foundation beams, bases for columns etc complete all as specfied and as directed.

Use and waste of formwork to faces of walls,retaining wall etc; vertical or batter for rough finished surfaces complete all as specified and as directed.

M&L for 100mm thick PCC (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) in plinth protection path/hardstanding finishing surfaces even and fair without using extra cement complete all as specified & as directed.

M & L for hardcore of gauge of n.exc 63mm (using broken stone or boulders) deposited spread and levelled in layers not exc 15cm thick, watered and rolled/rammed to a true surfae complete all as specified and as directed.

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

Darjeeling Enterprises (BID ID -3186993)

RABI BANIK (BID ID -3186525)

BIJAY MITTAL (BID ID -3184501)

SANJAY KAUSHIK (BID ID -3186734)

RAAJ BANGAR (BID ID -3187134)

MAHENDRA KHAWAS (BID ID -3187773)

KARMA TSETEN BHUTIA (BID ID -3187166)

MS CHOWDHURY ENTERPRISE (BID ID -3188112)