Comprehensive repair to retaining wall and sewage line behind bldg No P 285 storage and trades men shop at New Mil Stn under GE Gangtok

Amount

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.

Excavation in trenches n.ext 1.5 metre wide and n.exc 1.5 metre in depth and getting out as in soft/loose soil for foundation etc complete all as specified and as directed.

Demolition of Brick work or stone/boulder masonry built in cement mortar complete as in Retianing wall 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 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 plum concrete consisting of PCC 1:3:6 type C2 (using 40mm graded stone aggregate) mixed with 25% of boulders all as specified (for measurement qty of boulders will be deducted from total volume of concrete and same will be paid separately in supply only) as in wall complete all as specified and as directed.

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

M&L for RCC M-25 design mix(using 20mm graded stone aggregate) as in beam,band, plinth beam etc over 1.5 meter span 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 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.

M&L mild steel TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders and over cut to length bend to shape required including cranking bending spirally for column, hooking ends & binding with and including mild steel mild wire (annealed not less than 0.90 mm dia or securing with clip) complete all as specified and as directed.

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

M&L for hand packing using broken stone or boulders (any thickness) at back of retaining wall and raising or lowering to the required level complete all as specified and as directed.

Supply & fix in repair 150 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to wall with necessary clamps,bolts etc.or laid in trenches 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.

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 1.50 KM but n.exc. 5 KM and depositing where directed complete all as specified and as directed.

M&L for back filling of retaining walls using approved earth obtained from excavation exc 1.50KM and n.exc 5 KM complete all as specified and as directed.

Supply only boulders exceeding 15cm and upto 30cm dia complete all as specified and as directed.

M&L for pre-cast cement concrete 1:3:6 block masonry with solid blocks, exc. 10cm in width and setting in cement mortar 1:6 type C1 (using 20mm graded stone aggregate) as per IS-383 complete all as specified and as directed.

Disconnecting existing tanks, of capacity exc 500 Ltr but n.exc 1000 Ltr setting aside (or lowering if required) for repairs, cleaning etc and hoisting if required reconnecting and re-fixing in position complete all as specified and as directed Note : Cleaning repairing etc shall be measured separately.

Cutting into existing manholes for connecting new drains, making good to pipe of n.exc150mm dia and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished, and reforming benching as required complete all as specified and as directed.

Supply and fix galvanised steel water tubing 20mm bore, medium grade with all fittings and fixed complete to walls/ceiling or laid in floors complete all as specified and as directed.

M&L for 15mm rendering plaster on fair faces/brick wall faces of smooth with using extra cement in CM 1:6 complete all as specified and as directed.

M&L PCC 1:3:6 type C2 (using 40mm graded stone aggregate) as in surface channels/drain including necessary form work and forming fair finish the drain surface complete all as specified and as directed.

BIJAY MITTAL

M/S ANIL KUMAR THAKUR

MAHENDRA KHAWAS

KARMA SHERPA

NISHA CONSTRUCTIONS

KARMA TSETEN BHUTIA

DHARMINDER SINGH

SHANTI KHAWAS AND SONS