Repair of retaining wall near Bldg No T 467 toilet at Old cantt under GE Gangtok

Amount

Demolition of old stone boulder masonry retaining wall built in cement mortar complete all as specified and as directed

Rough excavation n.exc 1.5m deep and getting out in soft/loose soil for foundation of retaining wall complete all as specified and as directed.

Rough excavation exc 1.5 m & n.exc 3.0m deep and getting out in soft/disintegrated rock for excavation of slope hill to form made up GL complete all as specified as directed.

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

M&L PCC type C2 1:3:6 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete complete all as specified and as directed.

M&L for Plain cement concrete 1:3:6, concrete M-10 type C-2 as in retaining wall etc complete all as specified and as directed. Note :- Same cross section of plum concrete retaining wall mentioned in TD Drg No. SZ/TD/332/2015 Sheet no. 1/1 as considered for PCC retaining wall

M&L for plain cement concrete 1:2:4 type B0 (using 12.5 mm graded stone aggregate) as in coping including weathering slightly rounded or chamfered angles and trotting all as specified and as directed.

Supply only 75mm bore PVC pipe (SWR) single socketed, in any length with rubber ring joints as in weep holes complete all as specified and as directed.

Labour 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 and as directed. (Except material obtained from item No. 01)

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm in soft/dis-integrated rock complete all as specified and as directed.

Removal of surplus excavated materials to a distance exc 500m and n.exc 1.50 KM and depositing where directed complete all as specified and as directed.

M&L mild steel TMT bars 10mm dia and over cut to length bend to shape required including cranking bending spirally for column, hooking ends & binding with and including mild steel wire (annealed) not less than 0.90 mm dia or securing with clip) complete all as specified and as directed.

All as per item No. 12 above but 8mm dia as in stirrups.

M&L for RCC M-25 design mix(using 20mm graded stone aggregate) as in RCC Bank complete all as specified and as directed.

M&L for formwork to faces of walls, retaining wall, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses etc vertical or to batter for rough finished surfaces complete all as specified and as directed.

M&L for 100mm thick cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregate) as in path/steps laid with and including use and waste of form work and finishing the surface even and rough to receive the topping layer or tiling complete all as specified and as directed.

M&L for hard core of gauge n.exc 63mm, deposited, spread and leveled in layers n.exc 15cm thick, watered and rammed to a true surface using broken stone or boulders complete all as specified and as directed.

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

M&L for PCC 1:3:6 type C1 (using 20mm graded stone aggregate) as in surface channels/drain including forming fair finished to drain channel complete all as specified and as directed.

M&L for extra for forming fair finished drain or channel 30cm inner girth in cement concrete, using extra cement including forms, moulds, mitered/stopped ends etc. Complete all as specified and as directed.

M/S ANIL KUMAR THAKUR

MAHENDRA KHAWAS

M/S MANOJ VERMA

BIJAY MITTAL

DHARMINDER SINGH

RAAJ BANGAR

M/S S. S CHETTRI AND SONS