REPAIR AND MAINTENANCE OF RETAINING WALL, CHAIN LINK FENCING AT 40 MTN BDE TO NURANANG AREA UNDER GE TAWANG

Amount

Demolition of Brickwork or concrete block/stone boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles

M&L for Walling of random rubble uncoursed,well bonded bedded and solidly hearted built in CM 1:6 including finishing the joints, flush as the work proceeds complete all as specified as directed.

M&L for Walling of random rubble uncoursed,well bonded bedded and solidly hearted built in CM 1:6 including finishing the joints, flush as the work proceeds but except stone complete all as specified as directed.

Materials and Labour for Precast cement concrete (1:3:6) type C1 using 20 mm graded stone aggt block masonry with solid blocks, n.exc. 10 cm in width and setting in mortar(1:6) as in wall complete all as specified and directed.

M&L PCC 1:3:6 type C-1 (20mm graded agg) as in precast block masonry with solid blocks, exc 10cm in width and setting in cement mortar 1:6,complete

M&L for Plain cement concrete (1:3:6) type C-2, using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete complete all as specified and directed.

M&L for PCC 1:3:6 type C1 20mm graded aggregate as in bond stone, bed plate, where guard & other similar work etc incl weatherings, slightly rounded or chamfered angles and throating and necessary form work complete all as specified and as directed.

M&L for 1:2:4 type B1 (20mm graded stone aggregate) as in cills, coping, steps, seismic and other similar bands, plinth courses, string courses , lacing courses, parapets and railings up to 60cm in height , copings, kneelers, apex stones, bed plates, kerbs including weathering , slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and directed.

Raised pointing to random or polygonal rubble, uncoursed or brought course masonry in cement Mortar 1:4 complete all as specified and as directed.

S&F 75mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints, laid in trenches or in floors complete all as specified and directed.

M&L for rendering 15 mm thick plaster on fair faces of brick/concrete surfaces in CM (1:6) on wall surface, finished even and smooth without using extra cement.

Dismantling of posts struts (wood , steel or RCC) any section incl taking out embedded portion in concrete or brick and making good.

Dismantling of fencing wire /barbed wire, any type

Excavation in post holes (or similar holes) each not exceeding 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering and removing surplus soil to a distance n exc 50 m in hard/dense soil complete all as specifed and as directed

M&L Plain Cement Concrete Type C2 1:3:6 using 40 mm graded stone aggrgate as in foundation filling and mass concrete complete all as specified and as directed.

S&F Mild steel work of angle iron or flat iron etc for railings, balusters, nosing to steps including embedding in concrete and screwing etc, flat iron for posts & struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc & similar work conforming to Fe 290 complete all as specified and directed.

S&F Mild steel work as in bands, straps, clamp, wall ties conforming to Fe 290 Gde F-165 complete all as specified and as directed.

Mild steel Round bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with fecing complete all as specified and directed.

Supply only Chain Link MS galvanized fencing any size and any type complete all as specified and as directed

Fixing only Chain Link MS galvanized fencing including wires any mesh, size and any type of standards rails, straining bolts etc including provision of binding wires complete all as specified and as directed.

S&F Galvanized, 2 strand, steel barbed wire 2.24 mm dia barbed with 2 mm dia barbs at 75 mm spacing and straining and fixing to any type of standard rail straining bolts, including securing or tying at crossings with and provision of galvanized mild steel wire, staples or steel pins, etc, as directed (each line wire to be measured) complete all as specified and directed.

Mild steel screw bolt 11 to 15 mm shank dia neck (machine made) with hexagonal or square head at one end and screws the other, or screwed both ends, each screwed end to be fitted with washer and one hexagonal or square nut exc 5 cm long complete all as specified and as directed.

M&L for Preparation of new steel surfaces of any description over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Demolition of cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for.

Plain Cement Concrete (1:3:6) type C-1, using 20mm graded stone aggregate as in surface channel and drain complete all as specified and as directed.

Materials and labour for formwork to faces of walls, retaining walls, abutments, parapets and stair case railing and similar work including attached pilaster, buttresses etc; vertical or to batter, curved faced with rough finished surfaces of concrete complete all as specified and directed.

Materials and Labour for Extra for forming fair finishing to surfaces drain/channel 30 cm inner girth in cement concrete ,using extra cement incl forms, moulds etc complete all as specified and directed.

Demolition of concrete in ground floor and pavings nexc 15cm thickness including floor finishes like tiles if any of any description. (below or above ground level)

M&L 25 mm thick PCC (1:2:4) type B-1 (20mm graded aggregate) as in sub base finishing the surface even and rough to receive the topping layer.

M&L screed bed or bedding layer of mortar (1:4) 15 mm thick for laying floor finishers

M&L non-skid ceremic tiles 7 to 8 mm th (square/rectangular) area of each tile exc 0.11sqm but n.exc 0.18 sqm, in floor etc set and jointed in neat cement slurry and pointed in white or coloured cement to match.

M&L vitrified tiles light shade10mm thick (square /retangular) area of each tiles exc 0.36 sqm in floors etc. Set and jointed in neat cement slurry and pointed in white or cloured cement to match

M&L Prepolished coloured cement concrete chequered tiles premium qlty with glazed finished of size 300x300x25mm and jointed in neat cement slurry and pointed in colour cement to match the shade of the tiles as in paving/foot path etc as required complete as per manufacturer’s instructions and as directed.

M&L for 75 mm 1:3:6 type C2 ( using 40 mm graded stone aggregate) as plinth protection./paving/footpath.

M&L for broken stone or boulder hardcore of gauge n exe 63mm deposited, spread and levelled in layers n exe 15cm thick, watered and rammed to a true surface.

Dismantaling timber scantling 40 Sq cm as in unframed work and over in sec in any position

M&L Second class Hard wood clean swan timber framed work as in scantling

Dismantling plain or corrugated steel sheeting any thickness, any gauge, thickness, including nainital or similar roof covering.

S&F for 0.63 mm Galvanised, corrugated mild steel sheeting with two corrugations side lap, fixed with fixed with J or L bolt and washers, in roofs, walls etc. with grade of zinc coating

S&F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/clading to wall, fixed with self tapping screws as specified.

S&F pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/clading to wall, fixed with self tapping screws as specified.

Dismantling of wall and celling boards (fibre, pulp, insulation, etc) or insulation board/slabs/blankets. in any thickness incl cover fillets.

Dismantling boarding any description/ thickness fixed in any position with nails.

M&L Second class hard wood clean sawan boarding, 50 mm thick, with butt joints ln any situation fixed with nails.

M&L for 6mm thick plywood, grade BWR, type BB, fixed with nails to timber framework in wall only

M&L for 4 mm thick plywood, grade BWR, type BB, fixed with nails to timber framework in ceiling, flat or sloping

M&L for second class hard wood plain fillets, square, rectangular or triangular in section, wrought secured with nails of sectional area exc 3 Sqcm and n.exc 6 Sqcm

M&L for applying two coat of synthetic enamel paint over a coat of pink primer on wood/plywood surfaces, over 10cm width or girth.

Taking down chowkets or frame with shutter (without taking off shutters from the frame) n.exe 1.5 sqm each.

Taking down chowkhats or frame with shutter (without taking off shutters from the frame) exc 1.5 Sqm but n.exc 4 Sqm each.

S&F Second class hard wood plain, solid, straight chowkhats and frame, wrought, framed rebated on the soild, rounded or chamfered, put together with glue pinned at joints complete all as specified and directed

S&F 35 mm thick, 2nd class hard wood plain framed panelled shutters (any number of panels) with lock rail and panels of timber float on both side (feather edged) or of veneered panticle board medium density wood particle board with commercial face veneers, supplied and fitted to chowkhats

S&F 30mm th 2nd class hard wood glazed and skelton shutter open rebated and prepaid to receive glass gauze etc, divieded into squares (with sash bar), edges of framing plain, chamfered or rounded, fitted with cut and mitred beads for secuering glass etc size of members of shutter as specified in SSR part-I, sec 8 clause 8.24(a) all as specified and directed.

S&F 100 mm long butt hinges medium grade cold rollled mild steel and fixed

S&F Aluminium anodised barrel tower bolts 125 mm of extruded section and fixed

S&F 125 mm long aluminium handles cast type anodised

S&F Aluminium alloy, anodised, sliding door bolt 250mm long with hasp, staple (bolt type) and fixing clip of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast aluminium alloy and fixed

M/S GOLANG CONSTRUCTION CO.

M/S KHANDU CONSTRUCTION

M/S N T BROTHERS

M/S P W ENTERPRISES

M/S RHEGON CONSTRUCTION

M/S RINCHIN DORJEE CONSTRUCTION

TENZIN CONSTRUCTION