REPAIR TO RCC ROOF, AC AND CGI ROOF SHEETS AND PERIODICAL SERVICES IN 515 ABW, HARRIS BK ETC UNDER GE(SOUTH) BANGALORE

Amount

Removing of old roof treatment including concrete padding or any type of base, lowering from roof and stacking for removal complete all as specified and as directed.

M&L for 10 mm thick rendering in cement mortar 1:4 on concrete surfaces mixed with integral water proofing compound as per manufacturer's instructions, surfaces finished even and smooth without using extra cement including dismantling existing water proofing treatment any type and any thickness from top surface of RCC roof slab and removing the materials outside defence land complete all as specified and directed. (Note:- Water proofing compound shall be measured and paid separately as supply only under relevant item of this schedule)

M&L for PCC, 1:2:4 type B1 (using 20mm graded stone aggregate) as in roof complete all as specified and directed.

Preparing the new plastered surface of roof, removing the dust and laitance etc, Apply one coat of polymer based priming bond coat 1:4:7 (polymer, water and cement) to seal all the pores on the treated surface. Lay 45GSM glass fibre mesh or geo textile on the primed surface while it is in tacky condition. Apply two coats of PU RoofKoat/Davko K10 on the Glass Fibre Mesh with a gap of 3-4hrs between the coating complete all as specified and as directed. Make - STP/Berger/Cico/Pedilite/Asian

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

Removing unserviceable building materials including loading, unloading and disposing at the destination outside MoD land (exceeding 1 km) all as specified and as directed. Note - one cum of material will be treated as one laod

M&L for cleaning the plastered/concrete surfaces and applying water proofing treatment as under: (a) Apply bitumen primer at the rate of 0.27 litre per Sqm as per IS 3384-1986. (b) Apply bonding bitumen of VG-10 @1.20 Kg per Sqm. (c) APP modified water proofing memebrane as per IS 16540/16532-2017 mineral finish , 3mm thick and weighing not less than 3.80 kg per Sqm reinforced polyster/HMHDPE matt black finish over compatible primer/bonding bitumen and finish the top surface with bituminous aluminium paint @0.10 Ltr per Sqm complete all as specified and directed.

Dismantling plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof covering.

Dismantling of cement corrugated, semi corrugated sheets in roof coverings.

Dismantling unframed timber scantling 40 sq cm and over in section in any position

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, fixed with self tapping screws as specified.

S&F pre-painted galvalume aluminium zinc coating GI based plain sheet 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.

S&F 1.8 mm thick plain, galvanised, zinc coating mild steel plain sheeting in ridge, hips, valley gutters, drip and straight flashing (length and grith as fixed) with grade of zinc coating 275.

S&F rolled sections as in main and cross beams, hop and jack rafters, purlins where connected to common rafters and running rails and guiders for sliding doors fixed with angle cleats or other connecting plates, conforming to Fe-410-W (Gde-E-250) quality-A.

M&L for preparation of new or previously untreated steel and iron surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enemel paint over a coat of red oxide.

S&F 110 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints,fixed to wall including taking down rain water/waste/soil pipes ( any size or pattern ) upto 100mm dia in wall/trenches complete all as specified & directed.

S&F 110 mm bore PVC (SWR) bend complete all as specified and directed.

S&F GI snap grid for false ceiling suitable for 600x600 mm ceiling tiles, hanging with 2.5 mm GI wire of any length and including 4mm thick cement fibre board of approved design, including dismantling wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards any thickness, including cover fillets, complete all as specified and as directed. Note - Rate of GI grid, ceiling board, hangers etc inclusive in quoted rates.

S&F 1000 Ltrs. Capacity rotational moulded polyethylene water storage tanks (cylinder vertical with class top) hoisted and fixed in position including dismatling and removing to store all as specified

S&F 500 Ltrs. Capacity rotational moulded polyethylene water storage tanks (cylinder vertical with class top) hoisted and fixed including dismantling and removing to store in position all as specified

Dismantling, cleaining and removing all scale and dirt etc from 1000 Ltr capacity rotational moulded polyethylene water storage tanks (cylinder vertical with close top) hoisted and re fixed in position all as specified

Dismantling, cleaining and removing all scale and dirt etc from 500 Ltr capacity rotational moulded polyethylene water storage tanks (cylinder vertical with class top) hoisted and re fixed in position all as specified

S&F 20 mm bore Ball valve high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed. (Minimum weight 20mm-210gms) complete, fixed in repairs, all as specified.

S&F 20 mm bore nipple suitable for HDPE water tank. (Min wt 45 gms).

S&F in repairs HDPE PVC lid (cover) for 500 ltrs/1000 ltrs capacity PVC tank complete all as specified.

S & F of CPVC pipes 20mm dia SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors including taking down of pipe of 20 mm GI pipe complete all as specified.

S&F PP-R Gate valves (brass insert), 20mm outer dia of pipe of design as per site requirement all as specified and as directed.

S&F PP-R Gate valves (brass insert), 25mm outer dia of pipe of design as per site requirement all as specified and as directed.

Preparation of old decorated surfaces of wall and applying one of white wash complete all as specified and directed.

Preparation of old decorated surfaces of ceiling and applying one of white wash complete all as specified and directed.

Preparation of old decorated surfaces of walls and applying one coat of distemper oil emulsion all as specified and as directed.

Preparation of old decorated surfaces of ceiling and applying one coat of distemper oil emulsion all as specified and as directed.

Preparation of old decorated surfaces of wall and applying one coat of cement base paint all as specified and as directed.

M&L preparation of old plastered surfaces of walls and applying two coat of distemper oil emulsion all as specified and as directed.

M&L Complete removal of existing treatment of old surfaces of walls and applying two coat of distemper oil emulsion incl 1mm thick wall putty with alkali resistant priming paint on plastered surface complete all as specified.

Taking down cement plaster on brick or stone walls or concrete ceiling etc, incl raking out joints, hacking for key scrubbing down with water, etc. complete all as specified and directed.

M&L for 15 mm thick rendering on stone masonry surfaces in cement mortar 1:4 mixed with integral water proofing compound as per manufacturer's instructions, surfaces finished even and fair complete all as specified and directed. (Note :- Water proofing compound shall be measured and paid for separately as supply only under relevant item of this schedule)

M&L for 15 mm thick rendering on stone masonry surfaces in cement mortar 1:6 finished even and smooth without using extra cement complete all as specified and directed.

M&L rendering 10 mm thick on fair faces of brick work or concrete surfaces of ceiling in cement mortar 1:3 incl finished even and smooth (without using extra cement).

Extra over rendering or plastering for work in isolated widths or in widths not forming part of general plastering such as in bands, sunk panels, cornices, skirtings, drip moulds and similar work n exc 15 cm in width or girth including cutting to edges, all mitres and stopped ends, etc.

M&L preparation of newly plastered surfaces of wall and applying two coats of cement base complete all as specified and as directed.

M&L preparation of newly plastered surfaces of wall and applying two coats of distemper oil emulsion white or tint over primer with 1mm wall putty on plastered surface complete all as specified.

M&L preparation of newly plastered surfaces of ceiling and applying two coats of distemper oil emulsion white or tinted over primer with 1mm wall putty on plastered surface complete all as specified.

M&L for complete removal of existing treatment of old treated surfaces of walls including washing, rubbing etc. and aapplying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm complete all as specified and directed.

M&L for preparation of old decorated surfaces of walls and applying one coat of premium acrylic exterior paint complete all as specified and as directed.

M&L preparation of old painted wood and wood based surfaces exc 10 cm width or girth and applying one coat of synthetic enamel paint all as specified.

M&L preparation of old painted steel and iron surfaces of roof trusses or any description, over 10 cm in width or girth, not otherwise described and applying one coats of synthetic enemel paint.

Removal of vegetation/tree growth etc on walls/roofs of single/multi storeyed building including digging out and filling holes with PCC 1:2:4 type B1 using (20 mm graded stone agg) and finishing the surface to match adjacent surfaces after application of suitable chemical to avoid re-growth of the vegetation complete all as specified and directed (any damage to the adjacent govt properties shall be made good without any extra cost) for plants girth not exc 25 cm

All as above for plants girth exc 25 cm.

MAA ENGINEERING SERVICERS (BID ID -3317898)