ADDITION/ ALTERATION AND SPECIAL REPAIR TO RAIN BEATING WALL, SHAFT AREA, COLUMN BEAM CHAJJAS AND CONNECTED WORKS IN BUILDING AW AT NEW NAVY NAGAR, COLABA, MUMBAI

Taking down cement or cement lime plaster on brick or stone walls, any description, including raking out joints, hacking for key, scrubbing down with water, etc upto 4 storey height of bldg including disposal of debris out side the MoD land etc complete as directed by Engr-in-charge.

Providing and applying doubbing course with gunniting machine 20mm thick plaster with ready mix prepacked proportioned dry mix mortar mixed with PP fibre fair faces of brick wall or concrete surfaces, on external surfaces including transporting of material, mixing, curing, scaffoldings etc.complete all as specified and directed by Engr-In- Charge.

Providing and applying 10mm thick plaster with ready mix prepacked proportioned dry mix mortar, blended with PP fibres, on fair faces of brick wall or concrete surfaces additives, on surfaces including transporting of material, mixing, curing, etc.complete all as specified and directed by Engr-In- Charge.

Providing & applying anti algal water-based elastomeric exterior wall finish on newly plastered surfaces including surface preparation, applying suitable wall prime seal primer coverage area as per manufacture instruction and application of two coats (base coat & top coat coverage area per manufacture instruction ) & of paint by roller etc. complete all as specified & directed by the Engineer-in-charge.

Material & Labour for chipping, removing carefully concrete work by low impact hammer, breaker without damaging the structure and cleaning and disposal of debris out side the MoD land etc complete. Hard concrete should not be removed by force upto 4 storey ht of bldg complete all as specified and directed by Engr-In- Charge.

Material & Labour for cleaning existing reinforcement with wire/rotary wire brush, making the surface free from loose material dirt etc, complete applying two coats of alkaline rust converting primer (i.e. rust remover) FEOVERT conforming to ASTM-B-117, on the rebars including cleaning the reinforcement , wire brushing to remove loose rust spalls with time interval 6 hrs between the coats and applying protective coating (IPNET - RB) upto 15 storey ht of bldg complete all as specified and as directed by Engr-In- Charge.

Material & Labour for providing and applying two coats of anti-rust protective coating in the form of Acrylic Polymer mixed with Cement in 1:1.5 proportion (1 part polymer and 1.5 parts Cement) on rebars after cleaning of rust scales as per manufacturers instruction (measurement on the basis of exposed concrete area). (Make : IPNET of Krishna Conchem, New Coat from Dr Fixit ) upto 15 storey ht of bldg complete all as specified and as directed by Engr-In- Charge.

M&L for ready mix polymer (SBR latex) modified cement mortar Avg 30 mm thick including trowelling with wooden tools on prepared concrete surfaces of parent material complete all as specified and directed (Note : Rate includes the rate of steel scaffolding. No separate payment will be paid for scaffolding.)

Rebuilding the section of damaged RCC elements to required size avg thickness beyond 50mm upto and including 70 mm by providing and casting with microconcrete of grade M-40 or above including providing and fixing of watertight shuttering of minimun 12 mm thickness with supporting framework, all lead lift, mixing, placing, deshuttering, levelling the surface by grinding off cementitious slurry or construction joint differences if any to satisfaction of the Engr-In- Charge., etc. complete.

Material & Labour for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed by Engr-In- Charge.

All as per item above but 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders complete all as specified and as directed by Engr-In- Charge.

Demolition of cement concrete un-reinforced/brick bats etc complete all as specified and directed. (Note : Rates inluding removal of demolished material out side of MoD land).

M&L PCC 1:2:4 type B-2(40 mm graded aggregate) in foudations,filling and mass concrete including necessary formwork, complete all as specified and directed.

Dismantling wrough iron or mild steel work of any description not otherwise provided for embedded in PCC /Brick work all as specified and directed.

Fabrication & re-fixing only 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. Note : MS retrived from Item No 14 will be used against this item)

S & F 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 290 Gde E-165.

Preparaing of new steel surfaces of any description and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed by Engr-In- Charge.

S&F 10 mm dia 100 mm long dash through fasteners bolts fixed in concrete or brick work to hold brackets etc complete

M&L for one coat of synthetic enamelled paint on old decorated surface of steel/wooden surface exc 10cm width or girth including preparation and necessary arrandement for working platform complete all as specified and directed

Dismantling of Plain or corrugated FRP /Steel chajja any Guage thickness including all fittings and removal from MD land complete all as complete all as directed by Engr In Charge

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/ cladding to wall,self tapping screws Complete all as specified and directed.

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/ cladding to wall, fixed with self tapping screws as specified.

Cutting chases, pinning in and making good to facings of brick/concrete/stone walling where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exc 10 cm girth complete all as specified and as directed by Engr-In- Charge.

M&L for filleting in any position and to any shape of section area not exc 25 sq cm in cement sand mortar 1:4 including all mitres, stops etc complete all as specified and as directed by Engr-In- Charge.

Taking down eaves gutters and rain water 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) 110mm bore pipes in any length with rubber ring joints fixed to wall with dash through fastners and clamp incl all fittings like sockets, bend, junction, elbow etc. complete all as specified and directed by Engr-In- Charge. Note :- Fastner, clamp, PVC fittings shall be measured and paid seperately.

S & F for Pipe Supporting Clamping - Single Pipe of dia 110 mm (4") down take pipe fixing done with Clamping System consists of Profile Bracket + Continuous Slotted C Channel + U Bolt Rubber Sleeve mounted System running vertically with wall distance 75 mm (3") Material Qty. for one unit : 1. Profile Bracket Wall distance 75 mm (3") - 2 Nos. 2. Continuous Slotted C Channel of Size 250 mm (10") - 1 No.; 3. U Bolt Rubber sleeve mounted for 110 mm (4") CI or PVC Pipe Dia. - 1 No.; and 4. Fixing Nail Zn coated of thickness 6.5 mm and length 63 mm (2 1/2") - 4 nos. All other detail as specified in Chief Engineer Navy Mumbai Technical Drawing (TD) of Pipe Supporting System No. TD/2023/01. complete all as specified and as directed (upto G+3 Storey).

S&F 75mm PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall complete all as specified and directed by Engr-In- Charge. Note :- Fastner, clamp, PVC fittings shall be measured and paid seperately.

S&F for Pipe Supporting Clamping - Single Pipe of dia 75mm (3") down take pipe fixing done with Clamping System consists of Profile Bracket + Continuous Slotted C Channel + U Bolt Rubber Sleeve mounted System running vertically with wall distance 75 mm (3") Material Qty. for one unit : 1. Profile Bracket Wall distance 75 mm (3") - 2 Nos. 2. Continuous Slotted C Channel of Size 250 mm (10") - 1 No.; 3. U Bolt Rubber sleeve mounted for 75mm (3") PVC Pipe Dia. - 1 No.; and 4. Fixing Nail Zn coated of thickness 6.5 mm and length 63 mm (2 1/2") - 4 nos. All other detail as specified in Chief Engineer Navy Mumbai Technical Drawing (TD) of Pipe Supporting System No. TD/2023/01. complete all as specified and directed by Engr-In- Charge.

S&F 110mm PVC (SWR) bends complete all as specified and as directed by Engg-In- Charge. Make: Supreme / Prince/ Kissan

S&F 75mm PVC (SWR) bends complete all as specified and as directed by Engg-In- Charge.

S&F PVC (SWR) branch piece, Single (single Y) equal or unequal for 110 mm bore access door eye. complete all as specified and directed by Engg-In- Charge.

S&F PVC (SWR) branch piece, Single (single Y) equal or unequal for 75 mm bore access door eye. complete all as specified and directed by Engg-In- Charge.

S&F PVC (SWR) branch piece, double (double Y) equal or unequal for 110 mm bore access door eye. complete all as specified and directed by Engg-In- Charge.

S&F PVC (SWR) branch piece, double (double Y) equal or unequal for 75 mm bore access door eye. complete all as specified and directed by Engg-In- Charge.

S&F 110mm bore PVC (SWR) vent cowl complete all as specified and directed by Engg-In- Charge.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), including disposal of debris out side the MoD land etc complete all as specified and directed by Engg-In- Charge.

M&L for digital coloured ceramic tiles 300x450x6-7 mm thick in vertical surfaces (including designed borders ) such as skirting and dados set and jointed in neat cement slurry pointed in coloured cement to match over rendering 10 mm thick on fair faces of brick work in CM (1:4) complete all as specified and directed.

M&L Non - skid Ceramic tiles 7 to 8 mm thick (square / rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match including bedding layer of mortar 20mm thick in CM 1:6 for laying floor finishes complete all as specified and directed by Engr-in-Charge.

M&L Non - skid coloured ceramic tiles 7 to 8 mm thick of size area of each tile exc 0.11 Sqm but n.exc 0.18 Sqm in floors over and including 20 mm thick screed bed in cement mortar 1:6 etc. set and jointed in neat cement slurry

S & F in repair Vitreous China Squatting pan, Orissa pattern, size 580 x 440 mm white with `P' or `S' trap, front or back inlet and integral foot rests including connection to trap, to flushing pipe including PVC bed etc. complete including making good to floor.

S&F in repair 15 mm stop valve cast copper alloy with fancy type chromium plated with high pressure, with crutch butterfly handle, screwed both ends for iron pipe or for unions and fixed.

S&F PVC connectors of 15 mm size with PTMT nuts of length 600 mm length complete all as specified and directed by Engg-In- Charge

M&L 10 ltrs capacity PVC valveless, syphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets in repairs complete all as specified and as directed by Engg-In- Charge. Make : Hindware/Parryware/Cera or equivalent.

Providing and applying fair finish 15mm thick plaster with ready mix prepacked proportioned dry mix mortar fair faces of brick wall or concrete surfaces , on internal surfaces including transporting of material, mixing, curing, etc.complete all as specified and directed by Engr-In- Charge.

Providing and applying 10mm thick plaster with ready mix prepacked proportioned dry mix mortar, on fair faces of brick wall or concrete surfaces , on ceiling surfaces including transporting of material, mixing, curing, etc.complete all as specified and directed

Complete removal of existing treatment on wall, ceiling, roof projections including facia, cornices etc by scrapping with sanding pad of appropriate grit to make surface clean,free from dust, loose paint etc and wash with water by skilled labour upto 4th storey height of bldg complete all as specified and directed.

M&L for 1mm thick wall care putty on two layers on wall/ceiling complete all as specified and directed.

M&L for preparing newly plastered surfaces or putty surface of wall and applying two coats of oil emulsion distemper over a coat of alkali resistance primer complete all as specified and directed by Engr-In- Charge.

Material & Labour for preparing newly plastered surfaces or putty surface of ceiling and applying two coats of oil emulsion distemper complete all as specified and directed by Engg-In- Charge.

Taking down chawkhats or frame (w/o taking off shutters from the frames) but exc 1.50 but n.exc 4.00 Sqm each complete all as specified and directed by Engg-In- Charge.

Taking down chowkats or frame (w/o taking off shutters from the frames) n.exc 1.50 Sqm each complete all as specified and directed by Engr-In- Charge.

Supply and fixing Coloured Aluminium anodised section 15 micron for window (Sliding type) / ventilator (Partly fixed partly louverd type) etc of anodised aluminium section ventilators partly fixed partly louvered type comprising frame, shutters, locking arrangements including necessary jamming, glazing pins, neoprene beading, glazing pin screw, levered aluminium sections for louvered glass, rollers , handle etc including taking down existing window complete all as specified and directed. Note: (a) Glazing shall be measured separately. (b) Item shall be paid as per weight of aluminium section. (c) Rate quoted shall be inclusive of neoprene beading, glazing clips, screw etc as required which not be measured for arriving the weight. (d) Rate shall be inclusive of the aluminium handle, locking arrangement including complete packing with silicon gel around contecting surface of aluminium and including matching the existing surface area complete all as specified and directed. . (e) Aluminium window / ventilator etc to be fixed with cadmium plated screw not more than 300mm c/c.

Material and labour aluminium anodised grill with suitable aluminium anodised frame section manufactured by M/S Deco grill pattern DG-102 (7.5mm dia and aparture 50mm) complete all as specified and directed by Engr-in-Charge.

Supply and fixing 4.0 mm thick frosted glass ordinary quality in square n.exc 0.50 sqm each fixed to aluminium window frame complete all as specified and directed by Engg-In- Charge.

Supply and fixing 4.00 mm thick plain glass ordinary quality in square n.exc 0.50 sqm each fixed to aluminium window frame/wooden frame including hacking out old one complete all as specified and directed by Engg-In- Charge.

Material & Labour Aluminium alloy wire cloth, 0.35mm nominal dia of wire and average width of aperture 1.40mm and fixed with aluminium wire staples or wooden/ Aluminium beadding complete all as specified and directed by Engg-In- Charge.

S&F 4 to 6mm plywood for covering of existing window for gunniting incl removal of after gunniting and making good of disturb area complete all as specified and directed by Engg-In-Charge.