REPAIR MAINT TO ROOF OF CERTAIN BLDGS AT BASISTHA AREA UNDER GE GUWAHATI

Amount

M&L for Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc all as specified

Demolition of cement concrete of any description and in any position not otherwise specifically provided complete all as specified and as directed.

M&L 25 mm thick PCC B-0, (1:2:4) using 12.5 mm graded crushed stone aggregate as in PCC underlayer complete all as specified and directed.

M&L screed bed or bedding layer of cement mortar (1:6) 20mm thick for laying floor finishes complete all as specified.

M&L for applying evenly a priming coat with bituminous primer at 10 kg per 10 sq mtr complete all as specified and as directed

M&L APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) land on primed surface by forced application complete all as specified

M&L for bituminous primer @ 0.30 KG/Sqm over the cement plaster incl preparation of surfaces as per manufacturers instruction complete all as specified and as directed by the Engr-in-Charge.

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as directed.

S&F Prepainted galvalume aluminium zink coating GI based corrugated/semi corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering /cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F 0.63mm plain, galvanised, mild steel sheeting, in ridges,hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 etc complete all as specified.

S&F 0.63mm thick Galvanised corrugated mild steel sheeting with two corrugations side lap, fixed with L-type or J-type cranked hook bolts and washers in roof walls etc with grade of zinc coating 275 completed all as specified.

Dismantling wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards /slabs/ blankets, any thickness, including cover fillets complete all as directed.

M&L for GI frame work for seamless ceiling size of 605x605mm,comprising of GI perimeter channel 0.55mm thick with two unequal flanges of 20 and 30 mm and web of 27mm fixed to surrounding powder coated anodised aluminium interlocking snap grid frame work size (600 mm x 600 mm) consists of main tee runners of size 38mm x 25mm x1.5mm and cross wall angle of size 25 mm x 25 mm x 1 mm spaced between the main Tee at 600 mm centre to centre to form a grid of 600 mm x 600 mm etc complete including necessary notching preparing holes and supporting hanger comprising of J hooks soffit cleat holding clip, level clip etc as per manufacturer instructions non asbestos fibre cement building boards fixed or laid/ inserted to timber/GI/Aluminium framework with screws complete all as specified and directed.

M&L for Gl frame work for seamless ceiling comprising of Gl perimeter channnel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre/intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2 m length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long and Providing and fixing Gypsum Board 12mm thick in ceilling fixed with screw complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as directed

S&F of mild steel framed work such as grills, gratings etc. with ends of bars shouldered and / or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railing, frame work of water tanks and similar work conforming to Fe-290 Grade E-165 complete all as specified and directed.

S&F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I.S. 1161-1998 grade St-240 complete all as specified and directed.

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

M&L prime the surface with BTD with water @ 1:1 ratio (200gm BTD 200gm water) and use as primer @400 gm/m2 allow the primer coat to touch dry condition apply 1st coat of BTD @ 0.8 kg/m2 by brush/roller/airless spray while the primed surface is tacky. For faster and smoother application, apply with airless gun.Allow 1st coat to dry for 10-12 hr Apply 2nd coat of BTD @ 0.8 kg/m2 by brush/roller/airless spray for final DFT of 1200 micron in two coats including taking down old APP membrane and prepration of surface all as specified and directed.

Taking down cement or cement lime plaster any description on any walls etc including raking out joints, hacking etc complete all as specified and as directed.

M&L for 15mm thick rendering with cement mortar (1:4) on fair faces of brick work in two layers (10mm & 5mm) seperately mixed with water proofing compound in top layer as per manufacturer's instructions and finishing the surface even and fair without using extra cement complete all as specified and as directed. Note:- WPC shall be measured and paid seperately under appropiate item.

Supply only liquid water proofing compound complete all as specified and as directed.

M&L for rendering 10 mm thick on faces of brick work or concrete surface in CM (1:6), finished even and smooth without using extra cement complete all as specified and directed.

M&L Preparing new plastered surface. and applying two coats acrylic distemper over one coat of primer complete all as specified and directed.

M&L for preparing newly plastered or unplastered walls surfaces and applying two coats of cement base paint over and including a coat of cement base primer complete all as specified and directed.

M&L for preparation of old surfaces of walls and distempering one coat with 1st quality acrylic distemper/oil emulsion paint of approved manufacturer, of required shade and colour complete, as per manufacturer's specification. complete all as specified and directed.

M&L for preparation of old surfaces of ceiling and distempering one coat with 1st quality acrylic distemper/oil emulsion paint of approved manufacturer, of required shade and colour complete, as per manufacturer's specification. complete all as specified and directed.

M&L complete removal of existing treatment on wall and apply two coat of oil bound distemper over one coat of primer over 3 mm thick wall care putty complete all as specified and directed

M&L for preparation of old or previously treated steel surfaces of any description not otherwise described over 10cm width or girth and applying two coats of synthetic enamel paint complete all as specified and directed.

M&L 75mm thick cement concrete (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) as in plinth protection and finished even and smooth without using extra cement complete all as specified and as directed.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings,heads, shoes, bends, swan-necks,etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls for 110 mm bore of pipe as in rain water/soil waste etc complete all as specified and directed.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls for 75 mm bore of pipe as in rain water/soil waste etc complete all as specified and directed.

Taking up or down 15 mm bore GI pipe and connection complete all as specified and as directed.

M&L for 15 mm bore tubes, medium grade galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed

Taking up or down 20 mm bore GI pipe and connection complete all as specified and as directed.

M&L for 20 mm bore tubes, medium grade galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed

Taking up or down 25 mm bore GI pipe and connection complete all as specified and as directed.

M&L for 25 mm bore tubes, medium grade galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed

Supply and fix in repairs 110mm bore PVC (SWR) junction single (Single "T") equal or unequal with access door complete all as specified and as directed.

Supply and fix in repairs 110mm bore PVC (SWR) bends of any radius complete all as specified and as directed.

Disconnecting existing 500 ltrs tanks, 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 directed.

Disconnecting existing 1000 ltrs tanks, 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 directed.

S&F Rotational moulded polyethylene water storage tank (Cylindrical vertical with closed top) (conforming to IS 12701-1996) multi layer hoisted and fixed in position 500 ltrs capacity complete including dismantling of tank complete all as specified in SSR Part I complete all as specified and as directed

S&F Rotational moulded polyethylene water storage tank (Cylindrical vertical with closed top) (conforming to IS 12701-1996) multi layer hoisted and fixed in position 1000 ltrs capacity complete including dismantling of existing tank complete all as specified in SSR Part I complete all as specified and as directed

S&F in repair ball valve high pressure of PTMT suitable for 20mm bore pipe (minimum weight -210Gm) with epoxy coated aluminum rod and high density plastic ball screwed for iron pipe and fixed complete all as specified and directed

LAXMI CONSTRUCTION (BID ID -3322047)

MAHIRA ENGINEERING & INFRASTRUCTURE (BID ID -3322283)

PARAS ENTERPRISE (BID ID -3317002)

PRITHWI BUILDERS (BID ID -3322074)

M/S SEWAK SINGH (BID ID -3317164)

M.G. ENTERPRISE (BID ID -3317244)

K K Construction Co (BID ID -3318832)

M/s Dhani Enterprise (BID ID -3321776)

D.B ENTERPRISE (BID ID -3318492)