REPAIR/ MAINT OF ROOF TREATMENT INCLUDING LEAKAGE/ SEEPAGE OF CERTAIN BLDGS IN AGE B/R-I AT BABINA CANTT

Amount

Removing existing water proofing treatment by brushing with wire brush, cleaning of terracing by taking down cement concrete, existing plaster lime coba 80 to 100mm thick mud phuska/cement concrete/lime coba etc, cleaning of all foreign material such as fungus mass dust etc, roughing surface of corner to roof by wire brush complete all as specified and directed.

M&L cutting out cracks to 'V' Section in existing roof or terracing, cleaning out, wetting and filling solidly a hot mixture of bitumen and dry sand in proportion of 1:1 by weight complete all as specified and as directed.

M&L for P.C.C 1:2:4 type B-0 using 12.5 mm graded stone aggregate as in padding over roof finished and laid to required slope complete all as specified and as directed.

Cutting grooves in brick wall 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed.

M&L, for cement concrete 1:2:4 type B-0 using 12.5mm graded stone aggregate as in coping of parapite and or roof kerbs on roof chamfered on edge incl troweling slightly complete all as specified and directed.

M&L for 10 mm thick rendering in cement mortar 1:4 on concrete surfaces when concrete is stil green finished even and fair including mixing of water proofing compound as per manufacturer instruction etc complete all as specified and as directed. Note :- Water proofing compound shall be measured separately.

Supply only Liquid water proofing compound complete all as specified and as directed of as per manufacturer instruction complete all as specified and as directed.

Roughening of existing surface of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc. and brushing neat cement slurry with 3.0kg of cement per sq. metre etc complete all as specified and as directed.

M&L for Apply a coat of bituminous aluminium paint @ 0.20 LTR/Sqm over APP membrance, complete all as specified and directed

M&L of water proofing treatment to non-accessible roof slab with APP based modified polymeric membrane centre core 100mm micron HMHDPE outer film 20 micron each having thickness 3mm weight not less than 3kg/Sqm as per manufacturer’s instructions with torch applicationcomplete all as specified and directed by Engineer-in-Charge with following course of description below:- (a) 10 mm thick plaster in CM 1:4 with WPC will be applied over the roof slab when concrete is green. After the plaster is cured the roof will be tested for water tightness by ponding with water for seven days for any seepage is observed the rectification will be carried out by pressure grouting under the pressure of 5kg/sqcm using cement based cement grout. After the surface is repaired the slab will be tested for water tightness again before proceeding with further treatment. (b) the surface of roof, parapet and gutters, drain mouths, etc. over which waterproofing treatment is to be applied shall be cleaned of all foreign matter such as, fungus, moss, dust etc by wire brushing and dusting. For cast iron/PVC drain out lets a groove shall be cut around to tuck in the treatment. Concrete angle-fillets shall be provided at junctions between roofs and vertical faces of walls (parapet and other walls) around obstacles such as pipes, chimney stacks, etc. and other similar situation to ease up about corners. (c) Bitumious based primer confirming to IS: 3384 @ 0.3 kg/SqM to be applied on prepared surface, till the surface is properly impregnated. (d) After the application of approved bituminous primer the water proofing membrane shall be laid on the primed surface by torch application method as per manufacturer's instructions. The overlap while torching shall be 100mm in longitudnal direction and 100 mm in transverse direction. All overlap joints shall be sealed thoroughly by thermo fusing both the membrane layer and sealing it with the help of hot trowel. The overlap joints shall be made as a monolithic layer.(e) All joints and changes in direction should be curved with cement mortar 1:3 mixed with SBR latex @ 200ml per bag of cement and cured well before laying the membrane. Note :- (i) Under layer i.e PCC padding/ plastering and finishing layer i.e. aluminium paint or cement concrete tiles shall be measured and paid seperately.

Note:(a) The work under item 02 and 11 shall be carried out by the authorized applicator of Manufacturer by using modern techniques. The contractor shall also furnish warranty of quality, finish work and effectiveness of waterproofing treatment under this item for a periof of 8 years from the date of completion along with manufacturer warranty of material for the same period. (b) Height of bldg may be more than 10 meters and roof have continous series of trapizium with no staircase to reach at the top of the building (c) The contractor shall upload MOU letter with any one of manufacturer and also with their authorised applicator mentioned in the tender alongwith their bid in cover-I failing which his bid will be rejected. Authorised applicator shall have valid authorisation letter from the manufacturer (Minimum regional HQs) and shall have been issued not less than 30 days from the date of commencement of the work. The authorisation letter needs to be valid for the complete period of execution work. (d) After preparation of the surface, Engr-in-Charge shall approve the same before applying finishing coats. (e) Building wise stage passing register shall be maintained and shall be signed by Engr-in-Charge and contractor. (f) The equipments to be used in the work shall be certified by the manufacturer with whom the MOU been entered into. (g) Contractor shall submit approved company generated 8 years warranty card at the time of submission of Final Bill.

Taking down 15 mm bore steel tubing and connection including cleaning and refixing or removal to store etc complete all as specified and as directed.

Taking down 20 mm bore steel tubing and connection including cleaning and refixing or removal to store etc complete all as specified and as directed.

S&F jointing and testing 15 mm bore galvanised mild steel tubing of medium grade with all fittings such as bends, elbow, socket, reducer etc & fixed complete to walls & ceiling or laid in trenches/floors etc complete all as specified and as directed.

S&F jointing and testing 20 mm bore galvanised mild steel tubing of medium grade with all fittings such as bends, elbow, socket, reducer etc & fixed complete to walls & ceiling or laid in trenches/floors etc complete all as specified and as directed.

Fixing only old steel tubing 15mm dia and connections obtained from taking down against item No 14 & 15 herein before in new or old position fixed to wall, ceiling or laid in floor with new fittings etc complete all as specified and as directed.

Fixing only old steel tubing 20mm dia and connections obtained from taking down against item No 14 & 15 herein before in new or old position fixed to wall, ceiling or laid in floor with new fittings etc complete all as specified and as directed.

Dismantling water tanks and removing to store of steel/PVC of capacity exceeding 250 ltr but not exceeding 500 Ltr complete all as specified

S&F 500 Ltr capacity or rotational moulded polyetyylene water storage tank (cylindrical vertical with closed top ) ISI marked or make specified, two layered construction hoisted and fixed in position incl S&F 20mm dia GI pipe medium grade washout pipe 450mm long with plug and 20mm dia GI pipe medium grade overflow pipe 600mm llong with fitting incl taking down of existing unserviceable tank complete all as specified in SSR Part - I complete all as specified and as directed.

S & F in repair 20mm dia Gun metal gate valve with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed.

S&F 20mm bore ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minium weight 210 gms ), complete all as specified and directed

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning etc. and hoisting, reconnecting and re-fixing in position of exc. 250 litres & not exc. 500 litres capacity of tanks,Date of cleaning of tank will be marked on the tank by stencil with synthetic enamaled paint in uniform size, Size of letters & numbers should be 40mm. complete all as specified and directed.

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning etc. and hoisting, reconnecting and re-fixing in position of 1000 litres capacity of tanks, Date of cleaning of tank will be marked on the tank by stencil with synthetic enamaled paint in uniform size, Size of letters & numbers should be 40mm. complete all as specified and directed.

Dismantling of PVC / AC / rain water / Vent / waste pipe incl all fittings complete all as specified and as directed.

S&F in repair 110mm bore PVC SWR pipe in any length with rubber ring joint laid in floor and wall with necessary clamp complete all as specified and as directed.

S&F 110mm bore PVC (SWR) bends any radius, provided with access door complete all as specified and as directed.

Taking down cement plaster on brick or stone walls etc incl racking out joints hacking for key and scrabbing down with water etc complete all as specified and as directed.

Demolition of Brickwork or stone/boulder masonry, built in cement mortar or cement lime mortar incl all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles etc complete all as specified and as directed.

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

M&L for rendering 15mm thick on fair faces of wall or concrete surfaces in CM 1:6 finished fair and even etc complete all as specified and directed.

M&L for rendering 15mm thick on other than fair faces of wall or concrete surfaces in CM 1:6 finished fair and even etc complete all as specified and directed.

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

Dismantling CGI/AC (corrugated,semicorrugated,etc) and Galvalume sheets in roof covering complete all as specified and as directed

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

M&L for asbestos cement two piece adjustable plain wing ridge 6mm thick fixed with L type or J type or cranked hook bolts etc complete all as specified and as directed.

S&F, pre-painted galvatume aluminum zinc coating AZ-150 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 /J hook complete all as specified and as directed.

M&L, Pre-painted galvalume aluminum zinc coating AZ-150 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

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

M&L Roof trusses,trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including complete all as specified and directed.

Dismantling ceiling boards (fibre,pulp,insulaton,etc) or wall complete all as specified and as directed

S & F false ceiling with 9-9.5 mm thick gypsum board tiles laminated with white PVC film on face side & metalized polyster film (Aluminium foil) on the back side with all four edges sealed with PVC film of size 600 x 600 mm (595 X 595 mm) fixed with clips & screws including anodised aluminium snap grid frame work for false ceiling of Tee/Angle of weight not less than 300 gm per RM with slot for fixing including necessary suspender of flat iron or 4 mm dia bars of required length fixed in purlin of roof not exceeding 1.20 m both ways including all accessories required for suspending ceiling work and gypsum board for upto 4m height complete all as specified and as directed by the Engineer-in-Charge

S & F false ceiling with 9-9.5 mm thick gypsum board tiles laminated with white PVC film on face side & metalized polyster film (Aluminium foil) on the back side with all four edges sealed with PVC film of size 600 x 600 mm (595 X 595 mm) fixed with clips & screws including anodised aluminium snap grid frame work for false ceiling of Tee/Angle of weight not less than 300 gm per RM with slot for fixing including necessary suspender of flat iron or 4 mm dia bars of required length fixed in purlin of roof not exceeding 1.20 m both ways including all accessories required for suspending ceiling work and gypsum board for above 4m height complete all as specified and as directed by the Engineer-in-Charge

Ayush Enterprises