ADDITION ALTERATION AND SPECIAL REPAIRS TO BLG NO P18 P19 P20 P118 AND P83 TO P96 AT NAVAL BASE KARWAR

Dismantling of single layer Mangalore pattern or similar tiles in roofing all as specified and directed by Engr-in-Charge

M&L roof tiles, Mangalore pattern class 'AA', interlocking at side joints, laid dry complete all as specified and directed by Engr-in-Charge

All as per Srl item No. 02 above but except tiles

M & L for Ridge or hip tiles to suit Mangalore pattern or roofing tiles, bedded and jointed in cement mortar 1:6 complete all as specified and directed by Engr-in-Charge

Demolition of cement cocrete of any discription and any position all as specified and directed.

M & L for cement concrete type B0 1:2:4 (12.5 mm graded aggregate) as in roof kerbs/paddings or mud stops or bedding for tiles etc chamfered at edges complete all as specified and directedby Engr-in-Charge

Dismantling /taking out existing Textile coverings including frames (if any) or hessain base felt or any other existing water proofing treatment from roof including cement plaster and exposing the top surface of RCC slab including removing of dismantled material etc complete all as specified and directed by Engr-in-Charge

M & L for providing 15mm thick rendering over roof slab in Cement Mortar (1:4) mixed with water proofing compound @ 1.5 to 3% by weight of cement, finished even and smooth surface without using extra cement all as specified and directed by Engr-in-Charge Note: WPT compound Paid seperatly

M & L for water proofing treatment by applying oil bound bitumen primer, having a density of 0.87 - 0.89 Kg/lit, at the rate of 0.40 ltr/Sqm, providing and laying 3 mm thick APP modified water proofing membrane weighting not less than 3 Kg/Sqm of approved make including minimum 10 cm side lap and 15cm end lap, laid and pasted with blue flame torching applications and finally finishing with solar reflective bituminous aluminium paint at the rate of 0.1Kg/Sqm complete all as specified and directed by Engr-in-Charge

M&L for (I) Clean the surface free of dirt, dust, laitance etc. using wire brush, grinding machine and water jet machine and allow the surface to dry. Open the cracks, if any, in V/U shape using electrically operated cutting machine. Cleaning the surface thoroughly from dust and loose particles using wire brush and air blower and treat it with the crack filler (ii) After the proper cleaning opening the debonded surface at the terrace area and removing the same completely and cleaning the same applying one coat of bonding agent of approved make direct material and allow it to dry for 30 mins and fill the area with cement, sand, water and bonding agent completely to give the bonding to the old surface and flow of water to the outlets. (iii) Supplying and Applying of bond coat of approved make over the cleaned surface, and allow it to dry for 2-3 hours for the propper penetration of the material and seal the max porosity inside the concrete slab. (iv) Supplying and applying of the water based Elastomeric PU membrane having good crack bridging and waterproofing properly over the concrete surface using liquid water proofing membrane of approved make in 2 coats ( one coat equal to one in vertical direction plus one in horizontal direction ) applied to give the better waterproofing to the existing surface on the terrace and parapet wall to have the better bonding for the longer period. all as per manufacturers instructions and all as specified and directed by Engr-in-Charge

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

Taking down cement plaster on brick or concrete surfaces of wall/ceiling and likes including racking out joints, hacking for keys scrubbing down with water etc any description including removal of rubbish outside MoD land, complete all as specified and directerd by Engr-in-Charge Note : The rate quoted by the Contractor is deemed to be included necessary scafolding and form works.

Material and labour for Preparing surfaces plastered or unplastered Finishing walls with Acrylic smooth exterior paint of required shades: New work ( Two coat @ 1.67 litre/10 Sqm over and incl priming coat of exterior primer applied @ 2.20 Kg/ 10 Sqm on new plastered surfaces incl necessory scaffolding and safety measures etc complete all as specified and directerd by Engr-in-Charge

M&L for plastering 5 mm thick in CM 1:3 on ceiling surfaces and finishing the surface even and smooth complete all as specified and directerd by Engr-in-Charge

M&L for Preparation of new plastered surfaces of ceilings and applying two coat of Acrylic washable distemper over 3 mm wall care putty complete all as specified and directerd by Engr-in-Charge

Material and labour for rendering 15mm thick on brick or concrete surfaces in cement mortar(1:6) complete all as specified and directerd by Engr-in-Charge

Material and labour for applying 3 mm thick wall care putty on new plastered surfaces of Wall including preparation of surfaces by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots etc complete and applying two coat of distemper etc complete all as specified and directed and directerd by Engr-in-Charge

Taking up or down steel tubing and connections of 25mm bore including cleaning or removal to store all as specified and directed by Engr-in-Charge

Taking up or down GI tubing and connections 32mm bore including cleaning or removal to store all as specified and directed by Engr-in-Charge

S & F 25 mm dia UPVC pipes of pressure rating 10 Kgf/cm2 fixed complete to walls, ceiling or in floors etc all as specified and directed by Engr-in-Charge

S & F 32 mm dia UPVC pipes of pressure rating 10 Kgf/cm2 fixed complete to walls, ceiling or in floors etc all as specified and directed by Engr-in-Charge

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings,heads,shoes,bends,swan-necks etcall as specified and directed.

M&L for PVC (SWR) pipe single socketed in any length with rubber ring joints fixed to wall 110mm bore, complete all as specified and directed by Engr-in-Charge

S&F fixing 100mm dia PVC (SWR) bend all as specified and directed

S&F PVC (SWR) bends any radius for 100 mm bore provided with access door all as pecified and directed.complete all as specified and directed.

Dismentling of PVC/ RCC water storage tank of capacity exceeding 500 litre but not exceeding 1000 litre, including removal of rubbish outside MoD land, complete all as specified and directed.

S&F Rotational moulded PVC, double layered, water storage tanks of capacity 1000 litre (cylindrical vertical with closed top), ISI Marked, hoisted and fixed in position including tank cover, complete all as specified and directed.

S & F in repair 25 mm dia Ball valve, high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball, ISI marked (Minimum weight 455 gms), screwed & suitable for iron pipe 25 mm bore, complete all as specified and directed.

Draining out water, cleaning and removing accumulated sludge/dirt scales from tank bottom, side and from mouths of circulating pipes of service tank of capacity exceeding 500 ltrs but not exceeding 1000 ltrs, located on roof of the building and disinfecting the tank using bleaching powder to make the tank bacteria free, writing by stencil date of cleaning of tank with white synthetic enamel paint on black ground " CLEANED ON ( DATE)" height of the words 100mm, complete all as specified and directed.

Material and labour for complete removal of Exsiting painted surface and preparation of surfaces by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots etc and applying 3 mm thick wall care putty on old plastered surfaces of wall/ceiling complete and applying two coat of Acrylic washable distemper etc complete all as specified and directed.

Material and labour for preparation of old painted plastered surfaces of walls/ceiling of any description including cornices and filling of cracks with exterior wall care putty and applying Two coats of acrylic emulsion Exterior Grade, Weather proof, anti fungal, anti algae and anti fading of approved shade including necessary scaffolding and safety measures as required etc complete all as specified and directed.

Material and labour for preparation of old painted wooden surfaces of any description not otherwise described over 10cm width or girth and applying one coat of synthetic enamel paint including necessary scaffolding and safety measures as required etc complete all as specified and directed.

Material and labour for preparation of old painted steel surfaces of any description not otherwise described over 10cm width or girth and applying one coat of synthetic enamel paint including necessary scaffolding and safety measures as required etc complete all as specified and directed.

Demolition of reinforced (reinforcement cut as required to facilitate demolition) cement concrete in ground floors and paving not exceeding 15 cm thickness( below or above ground level)complete all as specified and directed.

S&F Ball brass valves,25 mm dia, high pressure,with polythene, float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

Supplying and fixing in repairs 25 mm bore brass float valve, high pressure with polythene float & fly nut complete, screwed for GI pipe of following sizes including necessary GI fittings complete all as specified and directed.

S&F in reapir 15 mm dia gun- metal globe or gate valves, with iron wheel head screwed both ends for iron pipe & fixed in repair, complete all as specified and as directed

Taking up or down GI tubing and connections 15mm bore including cleaning or removal to store complete all as specified and directed.

S&F 15 mm dia UPVC pipes of pressure rating 10 Kgf/cm2 fixed to walls, ceiling or in floors etc complete all as specified and directed.complete all as specified and directed.

S&F in reapir 32 mm dia gun- metal globe or gate valves, with iron wheel head screwed both ends for iron pipe & fixed in repair, complete all as specified and as directed.

Dismantling of stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars etc, but excluding ashlars facings, dressed stonework etc complete all as specified and directed.

M&L for providing precast cement concrete block masonary with solid blocks exc 10 cm width, type C-1 (1:3:6) using 20mm graded aggregate and set in cement mortar (1:4) complete all as specified and directed.

M& L for rendering 15 mm thick in cm (1:4) on fair faces of concrete surfaces and finished even and smooth without using extra cement including necessary scafolding and safety measures as required complete all as specified and directed.

M & L for providing 15mm thick rendering over roof slab in Cement Mortar (1:3) mixed with water proofing compound @ 3% or as per manufacture instruction by weight of cement, finished even and smooth surface without using extra cement all as specified and directedcomplete all as specified and directed.

M&L for water proofing treatment by applying oil bound bitumen primer, having a density of 0.87 - 0.89 Kg/lit, @ 0.40 ltrs/Sqm, providing and laying APP modified water proofing membrane weighting not les than 3.50 Kg/Sqm of approved make including minimum 10 cm side lap and 15 cm end lap, laid and pasted with blue flame torching applications and finally finishing with two coats of solar reflective bituminous aluminium paint @ 0.1.Kg/Sqm complete all as specified and directed by Engr-in-Charge

S&F PVC (SWR) 100 mm branch piece, single (single Y) equal or unequal complete all as specified and directed by Engr-in-Charge

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