REPAIRS TO ROOF TRUSSES FLOORING WATER PROOFING AND CERTAIN OTHER MISC WORKS AT MD AND OTM ACCNS AT WEST SIDE OF LEHL MARG UNDER GE (S) BINNAGURI

Amount

Taking down existing tarfelt including plaster of any type and course from roof surface including adjoining parapets and removing the materials to a distance exc 50 mtr but n.exc 100 mtr away and deposited where directed including roughening old concrete surface by tucking and rubbing with wire brushes and cleaning the surfaces with water to remove all loose dirts etc complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings not exc. 15 cm thickness (below or above ground level) complete all as specified and directed.

M&L for 10mm thick plastering in CM(1:4) using WPC @ 3% by wt. of cement,in order to maintain proper slope over existing roof surfaces for laying APP based polymeric membrane roof treatment complete all as specified and directed. Note:- WPC shall be measured and paid separately.

M&L for rendering 15mm thick( 10mm backing and 5mm floating coat) in CM 1:4 mixed with integral water proofing compound @ 3% by weight of cement on floating coat as in other than fair faces of brick work or concrete surface of wall and finished surface even and smooth without using extra cement complete all as specified and directed. NOTE: WPC shall be measured and paid separately under respctive Item of schedule.

M & L PCC (1:2:4) type B1 (20mm graded aggregate) as in roof kerbs, slightly rounded or chamfered on edges, finished even and smooth on exposed concrete surface without using extra cement all complete as specified and as directed.

M&L for roof treatment with polymeric water proofing membrane to non accesible roof with the following courses as under complete all as specified :- (a) Cleaning surface by wire brushing,brooming, removing dust complete and make the surface even and smooth. (b) Applying a coat of bitumen primer conforming to IS-3384 - 1965 @ 0.40 lit/Sqm and allow to dry. (c) Applying one coat of hot blown bitumen grade 85/25 as per IS-702-1988 @ 1.20 Kg/Sqm of each coat applied over primer incl cleaning of surfaces . (d) Supply and laying 3mm thick polymeric water proofing membrane weight not less than 3.6 Kg/Sqm with nonwoven polyester fabric weight not less than 160 gms/sqm over area including overlapping of 100mm(min) as per manufacturers instruction.Polymeric membrane shall be taken to a height of 60cm (min) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing. (Note :- (i) Laying APP bassed polymenic membrane shall be done torch on methed or as per manufacturer's instructions. (ii) A minimum overlap of 100mm and 75mm should be made at the end and sides of the polymeric membrane respectively and sealed all overlaps and joints as per manufacturer's instruction. (e) Applying evenly one coat of bituminous aluminium paint @ 150 gm/Sqm complete all as specified and directed. NOTE: The complete work shall be done under strict supervision of manufacturers technical representative and as directed.

Cutting out cracks to V-section in existing roofs or terracing, cleaning out and filling solidly with a hot mixture of bitumen and clean dry sand 1:1 (by weight) complete all as specified and as directed.

Dismantling of plain or corrugated steel sheeting, any gauge, of any thickness as in roof coverings including nainital or similar pattern complete all as specified and directed.

Dismantling of plain or corrugated AC sheeting, any gauge, of any thickness as in roof coverings including nainital or similar pattern including Ridges/Valley/Hips/ Eaves board complete all as specified and directed.

M&L for high tensile 550 MPA yield strength Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering The sheet shall have a hot dip metallic zinc aluminium alloy coating of zinc 43.5%, aluminium (55%)and silicon (1.5%) with total mass coating of 150 gms/sqm on both sides. Covered width will be 1020mm and sheet length as per site requirement. The profile is having return leg for proper side lap. The sheet shall be fixed using self drilling/self capping screws with EDPM seal complete all as specified and directed. ( Make: TATA blue scope or equivalent of CRIL/METCO.)

Fixing only high tensile 550 MPA yield strength Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering The sheet shall have a hot dip metallic zinc aluminium alloy coating of zinc 43.5%, aluminium (55%)and silicon (1.5%) with total mass coating of 150 gms/sqm on both sides. Covered width will be 1020mm and sheet length as per site requirement. The profile is having return leg for proper side lap. The sheet shall be fixed using self drilling/self capping screws with EDPM seal complete all as specified and directed. ( Make: TATA blue scope or equivalent of CRIL/METCO.)

All as per item No- 11 here in above but Plain sheet as in ridges/ hips / valley/Eaves and Eaves board - ditto --

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

Fixing only 0.63mm nominal thick Galvanised, corrugated, mild steel sheeting with two corrugations side lap, fixed with 'L' type or 'J' type or cranked hook bolts and washers, as in roof coverings, walls etc. with grade of zinc coating 275 complete all as specified.

All as per item No- 14 here in above but 1.25mm Plain sheet as in ridges/ hips / valley/Eaves and Eaves board - ditto --

S&F 6mm thick non-asbestos fibre cement corrugated or semi corrugated sheets as in roofs, walls etc. fixed with 'L' type or 'J' type hooks or cranked hook bolts complete all as specified and directed.

S&F 6mm thick non-asbestos fibre cement two piece serrated ridges for corrugated or semi-corrugated sheet fixed with 'L' hooks or 'J' hooks or cranked hook bolts complete all as specified and directed.

All as per item No- 9 here in above but fixing only sheet - ditto --

Taking down Eaves gutter and Rain water pipes(any size or pattern) including all fittings,heads,bends,shoes,swan-necks etc. including cleaning for re-fixing or removal to store complete all as specified and as directed.

S&F 110mm bore PVC (SWR) pipe single socketed in any length with rubber ring joints, fixed to wall complete all as specified and directed.(Make : Prince/ Supreme/ Finolex)

S&F of PVC (SWR) bend any radius suitable for 110mm bore PVC pipe jointed with solvent complete all as specified and directed.(Make : Prince/ Supreme/ Finolex)

S&F 150mm bore PVC (SWR) pipe single socketed in any length with rubber ring joints, fixed to wall complete all as specified and directed.(Make : Prince/ Supreme/ Finolex)

S & F PVC (SWR) bends any radious suitable for 150 mm bore complete all as specified. (Make : Prince/ Supreme/ Finolex)

Taking down structural steel work including doors,gates and similar works etc. complete all as specified and as directed.

M&L for Rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates conforming to Fe 410-W (Gde E-250) quality A etc. complete all as specified and as directed.

M&L for mild steel work in tubular trusses and tubular posts including special shaped washer duly welded, complete using ERW or induction butt welded tubes conforming to IS 1161-1979 grade St 240 with one shop coat of Zinc Chrome primer complete all as specified and as directed.

S&F 40x 6mm wind ties for roof including securing bolts, cutting tops to shape as directed, drilling holes, notching etc and similar work conforming to Fe 290 Gde E-165 etc complete all as specified and directed.

M&L for plates (plain or chequered) channels. Square cut or notched (ordinary and counter sunk) forming holes, without any attachment conforming to Fe-290 Gde E-165 complete all as specified and directed. .

M&L for Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square but (dia of neck 16 to 20mm and exc. 22.5cm but n.exc 30.0 cm long) complete all as specified and directed.

M & L Framed Work as in Door or Gates of Angle Iron or Other Sections with Gusset Plates Rails, Braces, etc. Cut to size, Bending Cold or Hot, Drilling Holes for Bolts, in any shape or size as indicated or directed including, Drilled for fixing of Steel Sheeting or other Coverings, Doors, etc. (exclusive of Steel Sheeting) and hanging, fixing also fastening, confirming to grade Fe-290 Gde E-165, complete all as specified and as directed.

M&L 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, railings, framework of water tanks and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

M&L for preparation of newly steel and iron surface of any description width or girth exc 10 cm and applying two coats of synthetic enamel paint over a coat of Red Oxide primer complete all as specified and directed.

S&F in repair mild steel plain black sheet 1.25mm thick in cladding to steel gates cut to size holes puched including roound headed screws clout nails or rivets and fixed to wood or steel framing with plain 40mm lap joints with riveted or welded seams including bending or urning up mitred angles etc as required all complete as specified and directed.

S&F in repair of plain, Aluminium sheeting of 0.70 mm thick, Plain Aluminium sheeting Alloy 31000 H4 in stepped flashing (measured as the minimum rectangle from which the pieces can be cut) as in lining complete all as specified and as directed.

Taking down cement or cement lime plaster any description from walls/ceiling etc including racking out joints, hacking for key & scrubbing down with water complete all as specified and directed.

M&L for rendering 15mm thick( 10mm backing and 5mm floating coat) in CM 1:4 mixed with integral water proofing compound @ 3% by weight of cement on floating coat as in other than fair faces of brick work or concrete surface of wall and finished surface even and smooth without using extra cement complete all as specified and directed. NOTE: WPC shall be measured and paid separately under respctive Item of schedule.

M&L rendering 10 mm thick in cm 1:6 on fair faces of brick work or concrete surfaces finishing surfaces even and smooth without using extra cement , complete all as specified and as directed.

M&L rendering 5 mm thick in cm 1:4 on ceiling or concrete surfaces finishing surfaces even and fair complete all as specified and as directed.

M&L for plain cement concrete 1:2:4 Type B 0 (using 12.5mm graded stone aggregate ) over chajjas,cills and other similar bands,Plinth courses,parapets,coping,Bed plates etc , water troughs and the like including weathering, slightly rounded for chamfered angles and throating, as directingcomplete all as specified and directed.

Supply only water proofing compound conforming to IS-2645-2003. complete all as specified and directed.

M&L for preparing of newly plastered wall surface and applying two coats of Water thinable Oil emulsion Ditemper over a coat of primer complete all as specified and directed.

M&L for preparing of newly plastered ceiling and applying two coats of Water thinable Oil emulsion Ditemper over a coat of primer complete all as specified and directed.

M&L for preparation of newly plastered wall surface applying Two coats of exterior emulsion paint (Apex ultima/Weather coat/Weather shield) white or tinted as approved complete all as specified and directed.

M&L for preparation of newly plastered surfaces of wall and applying two coats of cement base paint over a coat of white cement base primer complete all as specified and directed.

M&L for three coats of white wash on newly plastered surfaces of wall including preparation of surfaces complete all as specified and directed.

M&L for three coats of white wash on newly plastered surfaces on ceiling including preparation of surfaces complete all as specified and directed.

Demolition of brick masonary work, built in cement mortar including all quions, arches, pillars, etc. but excluding precast concrete articles etc. and removing the unserviceable rubishes 100M away and deposited where directed complete all as specified and directed.

M&L for brick work with old size sub class 'B' bricks, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L for brick work with old size sub class 'B' bricks, straight or curved on plan to any radius in half brick thick wall built in cement mortar 1:4 complete all as specified and directed.

SCHEDULE OF CREDIT Rate quoted by the Tenderer for this schedule should not be less than rate assessed by the department shown on estimated rate column for the respective items.

Old unserviceable Brick work obtained from dismantling

Old unserviceableCGI/PGI sheet

Old unserviceable AC sheet

Old unserviceable AC ridge of any description

Scrap Iron

Old U/S PVC(SWR) pipes 100/75mm dia with fittings of any type

M/S S.K. CONSTRUCTION

M/S VIRENDRA KUMAR SINGH

M/s PATEL ENGINEERING

M/s. RAMPHAL GARG

BBKundu

M/S East India Traders

S.N. GHOSH AND CO.

M/S SARKAR BROTHERS

samrat saw mill and joinery workshop

L. B. SHARMA

M/S NIKITA ENGINEERING CO