CERTAIN REPAIRS TO ROOF LEAKAGE SEEPAGE, PARKING SHED AND ALLIED B/R WORKS AT INS DWARKA OKHA UNDER GE NAVY PORBANDAR

Amount

Demolition of stone masonry built in cement or cement lime mortar all as specified and directed by Engineer-in-charge.

M&L for Stone masonry walling or squared walling in CM 1:6, brought up to courses using dressed same size Porbandar stone of superior quality complete all as specified and directed.

Ditto all as per item No 2.00 above but except stone (stone obtained from item No. 01).

M&L for PCC 1:2:4 type B-1 using (20mm graded crushed stone aggregate) in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, Benching, kneelers, apex stones, bed plates, kerbs, saucer drain(including finishing top surface of drain even and smooth without using extra cement), water troughs and the like including weathering, slightly rounded or chamfered angles and throating, and similar work including use & waste of necessary form work complete all as specified and as directed.

Dismantling Plain or corrugated steel sheeting, any type / gauge, thickness and any patten of roof coverings, hanger door, hanger roof complete all as specified.

S&F 2 mm thick solid polycarbonate sheet of colour as approved, fixed in roofs, wall cladding, etc with screw bolts as per manufacturers instruction fixed in repair / replacement complete all as specified and directed by Engineer-in-charge.

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated 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 as specified complete all as specified and directed by Engineer-in-Charge.

S&FPre-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 as specified complete all as specified and directed by Engineer-in-Charge.

Dismantling wrought iron or mild steel work of any description not otherwise described for of any description.

S&F Rolled MS steel work in tubular trusses and tubular posts including special shaped washers etc., complete using ERW or induction butt welded tubes confirming to IS 1161- 1979 graded ST 240 complete as specified and directed.

S&F mild steel rolled section Fe-410-W(Gde E-250), quality 'A' as in post, main and cross beams, rafters, purlins connected to common rafters fixed with angle iron clips or other connecting plates complete all as specified and directed.

S&F in repairs 5mm thick mild steel plates Fe-410 (Gde E-250) quality-A plain or chequered as in gates, shutters, similar steel structural works complete all as specified and directed.

S&F MS screw bolts (Machine made) length of bolt exc 5 cm but not exc 10 cm 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 nut, dia of shank 5 to 10mm complete all as specified and directed.

S&F Mild steel work conforming to Fe-290 Gde E-165 as in Hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps, gates wind tie including embedding in concrete and screwing etc. wind ties for roof including securing bolts; posts and 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., and similar work, complete all as specified and as directed by Engineer in Charge.

S & F 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

M&L for Stainless steel (Grade-304) railing made of hollow tubes, channels, plates etc, including welding, grinding, buffing, polishing and making curvature (where required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories and stainless steel dash fasteners, stainless steel bolts etc, of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engr-in-Charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc), complete all as specified and as directed.

S&F in repair bitumen dip concertina coil punched tape 2.60mm dia high tensile steel spring steel wire dia of coil 610mm, when stretched the length shall be 6m in one coil and tied to barbed wire with and incl provision of steel slips @ 5 clips spiral in one row complete without coating complete all as specified and directed. Note :- Mild steel angle (Y-Shape) shall be measured and paid separately.

M&L for preparation of old steel surface of any description exc. 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed.

M&L for preparation of new steel surface of any description exc. 10cm width or girth and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

Demolition of concrete surfaces in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 using 40 mm graded stone aggregate as in foundation and mass concrete all as specified and directed by Engineer-in-charge.

M&L for 75 mm thick cement concrete 1:2:4 type B-2 (using 40 mm graded crushed stone aggregate) as in plinth protection/path laid to slope of 1 in 12 and finishing cement concrete surface even and smooth without using extra cement with and including all necessary form work to divide the area in panels, finishing exposed edges fair or rounding or chamfering of exposed edges complete all as specified and directed.

M&L for Glass diving strips 3 mm thick and 22 mm width complete all as specified and directed.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever reqd complete.

M&L Two coats of synthetic enamel paint (ordinary tint) over priming paints plaster coat to newly concrete surfaces of walls including preparation of surfaces as specified & directed by Engineer-in-charge.

Taking down cement plaster from brick or stone walls incl racking out joints hacking for key, scrubbing down with water etc.

M&L for rendering 15mm thick cement plaster 1:6 on stone masonry surface or surface other than fair face of brickwork surface finished even and smooth without using extra cement complete all as specified.

M&L for rendering 5mm thick in (1:4) cm on fair faces of ceiling, chajjas, fins facia etc finished even and smooth without using extra cement complete all as specified.

M&L for rendering 15mm thick cement plaster 1:4 on brick/ stone masonry surface or surface other than fair face of brickwork surface finished even and smooth using WPC @ 3% of weight of cement complete all as specified. (Note : WPC will be measured and paid separately.

M&L for preparing new plastered or un-plastered surfaces and applying three coats of white wash on ceilings complete all as specified and directed.

M&L for preparation of new surfaces of plastered or unplastered of wall and application of three coat of white washing.

M&L for preparing of new plastered or un-plastered surfaces and applying two coats of oil bound distemper over a coat of primer over and including wall care putty complete all as specified and directed.

M&L for Preparation of new plastered surfaces in walls soffits, facia roof and applying 2 coats of anti fungal weather proof acrylic based paint 100% acrylic over a coat of external wall care putty coat over and including priming coat of exterior primer at any height including necessary scaffolding etc complete all as specified and as directed by Engr-in-Charge of weather coat primer all as specified.

M&L for complete removal of existing treatment with mechanical scrubber on old plastered or un-plastered surfaces of walls and applying two coats of oil bond distemper over two coats Birla/JK white putty on walls complete all as specified and directed.

Complete removal of existing treatment of wall ( any no. of layers) by scrapping with steel scapers or any other mean and applying external wall care putty 2 mm thick and making surface even and smooth to receive anti fungal weather proof acrylic based paint 100% acrylic over coat of exterior wall primewr after preparation of surface of at any height including necessary scaffolding etc. complete all as specified and as directed by Engr-in-Charge

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for, such as sunken floor, roof padding etc complete all as specified and directed.

Cleaning of existing surface with wire brush and removing all dust & grit of sunken floors and 10mm thick rendering in CM 1:4 with WPC at the rate of 3% by wt of cement one coat of hot bitumen 85/25 @ 1.20 Kg/Sqm on all plastered surface and providing PCC 1:2:4 with WPC in slope towards outside min thickness of PCC 25mm and max thickness 75mm, providing 40mm dia PVC spout of length 50cm complete after that water to be fitted and tested, filling with lean concrete 1:5:10 with brick bat aggregates complete all as specified and directed.

M&L for complete removal of loose/cracked concrete incl reinforcement if required, from RCC roof projection, chajjah, fins facia etc and making good with RCC (nominal mix) in type A1 1:1.5:3 (20mm graded aggregate) in any slab and in any position finished the surface even and smooth without using extra cement including necessary form work ang welding/ binding of reinforcement (including reinforcement) if required complete and matching with the existing surface as directed by Engr in Charge.

Taking down / Dismantling of old textile covering from roof (old WPT) complete all as specified and directed.

M&L for PCC 1:2:4 type B-0 using (12.5 mm graded crushed stone aggregate) in padding concrete to over slab 40 mm thick (average) bedding layer mixed with WPC, finishing even and smooth without using extra cement complete all as specified and as directed. Note : WPC & APP shall be measured and paid separately.

M&L for rendering 10 mm thick (average) bedding layer on green concrete surfaces in cement mortar 1:4, in order to maintain proper slope and base over existing roof surfaces for laying of APP based polymeric membrane, mixed with WPC, finishing even and smooth without using extra cement complete all as specified and as directed. Note: WPC shall be measured and paid separately.

Supply only integal water proofing compound.

M & L for Water proofing treatment to RCC roof slab including parapet comprising with the following course of treatment / specification from bottom to top:- (a) Applying bituminous primer @ 0.40 litre per Sqm over plastered surfaces of roof including parapet surfaces. (b) one layer of APP based polymeric membrane of approved manufacturer, 3 mm thick, weight not less than 3.6 Kgs per Sqm, reinforced with non woven polyester fabric or weight not less 150 gms per sqm. Polymeric membrane shall be taken to a height of 60 cm 9 minimum) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing, complete all as specified and as directed. Note:- (i) Laying of APP based membrane shall be done by torch on method and as per manufacturer's instructions. (ii) A minimum overlap of 150 mm and 100 mm should be made in the end and sides of the polymeric membrane respectively and all overlaps and joints are properly sealed as per manufacturer's instructions. (iii) Applying two coats of Bituminous aluminium paint on top of APP membrane cover including testing on completion complete all as specified and directed.

M & L for Anti-skid Endura Cool roof SRI (Solar reflective Index) ceramic tiles (of approved color), 300x300x10mm thick, square / rectangular laid over plastered surface of roof in 15mm thick screed bed in CM 1:4, joints grouted with tile grout complete all as specified and as directed. Make : M/s Somany tiles / M/s Johnson tiles / M/s Kajaria tiles.

M & L for Repairing the damp wall by removing the existing putty till plaster level from skirting to the affected area covering an additional 0.30 meter distance across all sides of affected area. The smartcare hydroloc is applied on plaster by brush ensuring the material goes inside the pores/intersites. The first coat (no dilution) is applied with a forced coverage of 3.7-4.2 Sqm / L area from skirting to the affected area, covering an additional 0.3 meter distance across all sides of affected area. Allow it to dry for 6-8 hours. The 2nd coat (no dilution) applied with coverage of 3.7-4.2 Sqm /L perpendicular to first coat. Allow it to dry for 6-8 hrs. After it has dried water proofing putty is applied. Now the surface is prepared by sand paper to receive the colour over it complete all as specified and directed by Engineer-in-Charge. Note :- Asian Paint smart Care Hydroloc Product code 1A76 or Equivalent.

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