CONSTRUCTION OF RETAINING WALL NEAR OFFRS LIVING OF 617 EME BN AND OTHER SANCTIONED WORKS AT OLD MIL STN GANGTOK

Amount

SCHEDULE 'A' PART-I (B/R WORKS)

Excavation in over areas, n exc 1.5 m deep and getting out as in soft / loose soil complete all as directed by the Engr-in-Charge.

Rough excavation in soft / loose soil not exceeding 1.5 m deep and getting out complete all as directed by the Engr-in-Charge.

Excavation in trenches not exc. 1.5 metre wide and not exc. 1.5 metre in depth and getting out as in soft / loose soil complete all as directed by the Engr-in-Charge.

Material & labour for PCC 1:3:6 type C-2 (using 40mm graded stone aggregate) as in foundations filling and mass concrete etc complete all as specified & as directed.

M&L for Plain cement concrete 1:3:6 type C2 as in plum concrete in retaining walls including plums of Stone boulders ( basalt, trap or any other approved) of size 150mm to 300mm complete all as directed.complete all as specified and as directed. Note : (i) Volume of stone boulders should not exceed 25% of concrete)

Supply only stone boulders ( basalt, trap or any other approved) exceeding 15cm upto 30cm complete all as specified and as directed.

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railing and similar work including attached pillasters, buttresses, etc.complete all as directed

Returning, filling in, including spreading levelling watering and well ramming in layers not exceeding 25 cm in thick as in soft/loose soils complete all as directed by the Engr-in-Charge.

Removing surplus soils to a distance not exceeding 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as directed by the Engr-in-Charge.

M&L for RCC M25 (Design mix) (using 20 mm graded stone aggregate) as in RCC beam / band including necessary form works complete all as specified and as directed.

M&L walling of RR stone masonry uncoursed, well bonded, bedded and solidly hearted built in CM (1: 6) including brought upto course at interval of every 60cm including laying PVC pipe in weep holes complete all as specified and as directed.

Materials & labour for rendering 20mm thick in cement mortar (1:4) on fair face of brick/stone masonry surfaces (external surfaces) finished surface fair and even with out using extra cement complete all as specified and as directed.

M&L for providing cement concrete (1:2:4), type B0, (using 12.5 mm graded aggregate) as in coping with plain fair faces including chamfers, weathering, slightly rounded or chamfered angles and throating, including necessary form work complete all as directed.

M&L for Hand Packing using broken stones or boulders ( any thickness) at back of retaining wall for raising or lowering to the required level complete all as directed

M&L for mild steel TMT bars,10mm dia and over cut to length, bent to shape required including cranking ,bending spirally, hooping for columns, hookings ends and binding with and including MS wire(annealed) not less than 0.9 mm dia or securing with clips complete all as specified & as directed.

Material & labour for Mild steel TMT bars 6mm to 8mm dia as in stirrups, spacers and binders cut to length, bent to shape required, including cranking , bending spirally for hooping for columns , hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified & 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.

S&F geosynthetic material to 75 mm dia PVC pipes as in weep holes complete all as directed.

Material & labour for PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) as in foundations filling and mass concrete etc complete all as specified & as directed.

M&L for 75mm thick PCC (1:3:6), type C-2 (using 40 mm graded stone aggregate ) as in sub base of floor etc complete all as specified and as directed.

Roughning surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust,and brushing neat cement slurry with 3.00 Kg of cement per Sqm etc complete all as directed.

Material & labour for non skid coloured ceramic tiles of 7 to 8 mm thick (Square/ rectangular) area of each tile exc 0.18 sqm but not exc 0.38 sqm as in floors etc conforming to IS- 13712, grade B-II - (a) set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles laid over and including cement screed bed / bedding layer of 15mm thick in cement mortar (1:6) complete all as specified and as directed..

Material and labour for Lacquer coated precast chequered cment concrete tiles made with grey cement and pigment of size 300 x 300 x 25 mm thick as in pavement / footpath, set and jointed in neat cement slurry and pointed with cement laid over and including screed bed/ bedding layer of 15mm thick in cement mortar (1:4) complete all as directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15 cm deep and getting out in soft /loose any type of soil etc., complete all as directed by the Engr-in-Charge.

M&L for 100mm thick PCC (1:2:4), type B-2 (using 40 mm graded stone aggregate ) as path hardstanding etc complete all as specified and as directed

Material and labour for hardcore of gauge 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 surface complete all as directed.

SCHEDULE 'A' PART-II (E/M WORKS)

M&L for point wiring(surface type)with using 4.00 Sqmm PVC insulated (FRLS) unsheathed single core cable working voltage 1100 volts grade conforming to IS-694 Part I & II of 2000 with multistranded copper conductor drawn in and includingPVC rigid non metalic25mm PVC casing caping system (double locking) with all casing capping fittings & accessories with PVC polycarbonate rectangular box of suitable size fixed with brass screws and cup washers, including 4.00 Sq mm (nominal cross sectional area) PVC insulated (FRLS) unsheathed single core multistranded copper conductor cable as earth continuity conductor connected to main switches / DB's or common earth dolly for 15 Amps power point complete all as specified and directed. Note : Red colouerd cable shall be used for live connection, black coloured cable shall be used for neutral connection and green coloured cable shall be used for earthing. Separate cable for earthing and neutral to be used for each individual circuit from the distribution board.

Supply & fixing Rotational moulded polyethylene water storage tank, 2000 litres capacity, ISI marked multi layer constriction (cylindrical vertical with closed top), hoisted & fixed in position including supply and fixing of 25mm bore Ball valves, high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe of having weight not less than 455 gms including connection complete all as specified and as directed and taking down old unserviceable/ broken one

S & F Double pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20Amps 240 V complete all as specified and directed.

Supplying and fixing 1100 volts grade heavy duty 16 sqmm 2 core cable, PVC insulated stranded aluminium conductor, served with inner sheathing of PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4mm suspension wire ,for two single core cables flat or circular

Supply, install, testing and commissioning 25 ltrs capacity energy efficient geyser vertical /Horizontal type ISI marked 240 volts , 50 Hz with inner stainless steel container, outer MS sheet enclouser withh glass wool insulation lining between inner SS container and outer enclouser including necessary fixtures fixed with 4 nos 16 mm dia , 150 mm long MS bolts , nuts with washers necessary drilling holes to walls fixed with wooden plugs and grouted in wall with cement mortar (1:3) making good the disturbed surfaces of walls with and including safety valve, non return valve of 15mm bore ISI marked with two number 10mm dia 300 mm long PVC flexible connection with chromium plated brass union one on each side for making flexible connection to geyser etc complete all as directed. Make: Havells GHWENZTWG025 or equivalent make as specified in list of makes.

M & L for 15mm dia steel tubing medium grade galvanised with all fitting fixed complete to walls and ceiling or floor complete all as specified and as directed including taking down old unserviceable one.

Supply & fix 20 mm bore Gun metal Gate valves, ISI Marked with iron wheel head, screwed both rends for GI pipe complete all as specified and as directed including taking down old one.

Supply & fix in repair Bib tap , long body cast copper alloy, chromium plated with crutch or butterfly handle, screwed down for 15mm bore GI Pipe or for brass ferrule including taking down old unserviceable one. Make : JAQUAR Code : CON-107 KN or equivalent make as speciifed in list of makes

Supply & fixing Rotational moulded polyethylene water storage tank, 1000 litres capacity, ISI marked multi layer constriction (cylindrical vertical with closed top), hoisted & fixed in position including supply and fixing of 25mm bore Ball valves, high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe of having weight not less than 455 gms including connection complete all as specified and as directed and taking down old unserviceable/ broken one

S & F single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20Amps 240 V complete all as specified and directed.

M & L for 25mm dia steel tubing medium grade galvanised with all fitting fixed complete to walls and ceiling or floor complete all as specified and as directed including taking down old unserviceable one.

DHARMINDER SINGH

M/S ANIL KUMAR THAKUR

KARMA SHERPA

BIJAY MITTAL

NISHA CONSTRUCTIONS

MAHENDRA KHAWAS

M/S MANOJ VERMA