Repairs to RCC Roof Treatment in certain Md/ OTM accn of Zone B at INS Valsura, Jamnagar

Amount

Taking down cement plaster of any description including racking out joints, hacking for key scrubbing down with water etc and removal of entire debris as ordered outside MoD land complete all as specified and as directed.

Demolition of brickwork/PCC block or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc and removal of entire debris as ordered outside MoD land complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for in this Schedule including removal of entire debris as ordered outside MoD land complete all as specified & as directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for (reinforcement cut as required to faciliate demolition) including removal of entire debris as ordered outside MoD land complete all as specified and as directed.

Dismantling plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings and stacking at site where directed and removal of debris as ordered outside MoD land complete all as specified & as directed.

Dismantling mangalore pattern roofing tiles with ceiling tiles or slate roofing including ridges complete all as specified & as directed.

Dismantling of timber scantlings 40 Sq cm and over in section in any position unframed work and stacking at site where directed complete.

M&L for PCC 1:2:4, type B0 (using 12.5mm graded crushed stone aggregate) as in roof kerbs, mud stops, coved fillets and similar works rounded or chamfered on edges as directed including use and waste of form work (straight or curved) all exposed surface of concrete finished fair complete all as specified & as directed.

M&L for cement concrete 1:2:4 type B1, using 20mm graded crushed stone aggregate as 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, kneelers, apex stones, bed plates, padding over roof and the like including weathering, slightly rounded, chamfered angle and throating as directed including use and waste of form work (straight or curved) all exposed surface of concrete finished fair complete all as specified & as directed.

M&L for factory made pre cast cement concrete 1:3:6 type C1 (using 20 mm graded crushed stone aggregate) block masonry with solid blocks, exceeding 10 cm in width and setting in cement mortar 1:6 complete all as specified & as directed.

M&L for reinforced cement concrete 1:1½:3, type A1, Nominal mix (using 20 mm graded crushed stone aggregate) as in chajja, roof projection and the like in patches in any description for height upto 12 metres from average ground level including necessary formwork for fair finished surfaces of concrete and scaffolding complete all as specified and as directed. Notes : (i) Quoted rate shall deemed to be inclusive of form work, scaffolding, safety belt, etc. (ii) Reinforcement shall be measured and paid for separately.

Supply only Integral Water Proofing Compound (ISI Marked).

M&L for cutting chases, pinning in, making good to facings 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 10cm girth in stone/brick walls, complete all as specified & as directed.

M&L for Second class hard wood well seasoned wooden scantling clean sawn unframed fixed complete all as directed.

Fixing only hard wood scantling clean sawn unframed fixed complete all as directed. Note : Wooden scantling obtained serviceable from item No 7 here-in-above shall be used under this item.

M&L for Second class hard wood Plain fillets, square, rectangular or triangular in section, clean sawn, secured with nails or brads, cross sectional area exceeding 13 sqcm but not exc 25 sqcm complete all as specified and as directed.

M&L for mild steel TMT bars 10 mm dia and over cut to length, bent to shape required, including cranking, bending spirally or hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia complete all as specified & as directed.

M&L for cutting out cracks to 'V' section in existing roofs or terracing, cleaning out, wetting, grouting with cement and sand slurry 1:3 complete all as specified & as directed.

Material and labour for complete removal of existing water proofing treatment of any description or any other type of treatment over roof slab, parapets, chimney stacks, etc including cement plaster over RCC roof and cleaning the surface with wire brushes and washing with water, removing of insolvent materials and removing & depositing the debris, rubbish, etc outside MoD land, brushing neat cement slurry @ 3 Kg of cement per Sqm over the cleaned surface and provide 15mm thick screed bed/bedding layer/plaster in CM 1:3 mixed with integral Water Proofing Compound (WPC) as per manufacturer's instructions and finishing the surface even & smooth without using extra cement while the cement slurry is still green on RCC roof/parapet, provide oil bound bituminous primer @ 0.30 Kg/Sqm after bedding layer/plaster is cured with water for 7 days & completely dried, provide minimum 4mm thick APP based modified polymeric water proofing membrane weighing not less than 4.00 Kg/Sqm reinforced with non woven polyester matt fabric weighing not less than 160 gms/Sqm with over laps 75 mm longitudinal direction (side laps) and 100 mm on the transverse direction (end laps) by thermo-fused torch flame application method as per detailed procedure as directed and finally finishing the top surface with one finishing coat of bituminous aluminium paint complete all as specified and as directed. Notes: (i) WPC shall be measured & paid for separately as ‘Supply only’. (ii) The work shall be carried out only through manufacturer or their authorised applicator and contractor shall submit a written guarantee of the manufacturer/authorised applicator for the effectiveness of WPT for 10 years from the date of completion of contract. (iii) Care shall be taken to avoid wrinkle and air gaps while sticking membrane to the bitumen applied surface. (iv) The net area of water proofing treatment shall be measured without any extra allowance for laps.

All as per serial item No. 19 here-in-above, but in narrow width and independent small patches/areas not exceeding 3 sqm each.

M&L for application of two coats of water based UV resistant elastomeric PU liquid membrane, high performance, cold applied, single component elastomeric in situ liquid membrane for water proofing in approved colour (White/ Terracotta/ Green/ Black/ Grey) to be applied on dry or moist surfaces having tensile strength 1.40 ± 0.2 MPa, Elongation 400% ± 50%. Treatment is to be applied in minimum 1.00mm thickness in patches as per requirement complete all as per manufacturer’s instructions, complete all as specified & as directed. Make of material : ShaliUrethane BTD of STP Ltd or equivalent of Fosroc / Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE.

S&F 0.63 mm thick galvanised, corrugated mild steel sheeting with two corrugations side lap, fixed with L-type or J-type or cranked hook bolts and washers, in roofs, walls etc. with grade of zinc coating 275 complete all as specified and as directed.

M&L for Roof tiles, Mangalore pattern, interlocking at side joints laid dry including cutting holes through tiling for pipes and making good the disturbed surface to its original specification complete all as specified and as directed.

All as per item No. 23 here-in-above, but except roof tiles. Note : Roofing tiles obtained serviceable from serial item No 6 here-in-above shall be used under this item.

M&L for Ridges or hip tiles to suit Manglore pattern roofing tiles, bedded and jointed in cement mortar 1:6 complete all as specified and as directed.

M&L for machine made cement concrete tiles of size 295mm x 295mm x 22mm thick laid over and including 20mm thick cement mortar screed 1:4, set joined and pointed in cement mortar 1:3 with & including epoxy filler over APP membrane complete all as specified and as directed. (Note: Quoted rate shall deemed to be inclusive of cement screed & epoxy filler).

M&L for rendering 15mm thick in cement mortar 1:4 on fair faces of brick masonry or concrete surfaces of walls, finished even & smooth without using extra cement complete all as specified and as directed.

M&L for rendering 15mm thick in cement mortar 1:6 on fair faces of brick masonry or concrete surfaces of walls, finished even & smooth without using extra cement complete all as specified and as directed.

M&L for rendering 10 mm thick in CM 1:3 on ceiling surfaces of roof projection/ chajjas finished even and smooth without using extra cement for height upto 12 metres from average ground level complete all as specified and as directed.

M&L for preparation of newly plastered / unplastered surfaces of ceilings/roof projection/ chajjas & applying three coats of white wash complete all as specified.

M&L for preparation of new plastered surfaces of walls and applying two coats of oil emulsion distemper (OBD) of approved shade/tint over a coat of primer over & including 1mm thick layer of white cement based wall care putty complete all as specified & as directed.

M&L for complete removal of existing treatment including cleaning of mortar drops, smoke soot, moulds, moss, efflorescent salts, trading oil, greasy spots etc and preparation of plastered surfaces and applying two coats of oil emulsion distemper (OBD) of approved shade/tint over a coat of primer over & including 1mm thick layer of white cement based wall care putty complete all as specified & as directed.

M&L for preparation of newly plastered surfaces of wall & applying two coats of cement base paint of approved shade/tint over a coat of alkali resistant priming paint complete all as specified & as directed.

M&L for preparing newly plastered surface of walls and applying two 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 shade as approved by Engineer-in-Charge (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 over 1mm thick water proof wall care putty suitable for exterior surfaces exposed to weather as per manufacturer's instructions complete all as specified and as directed.

M&L for complete removal of existing treatment by meachanical means (any no of layers), wahsing, rubbing down and stopping of distempered and painted surface of wall and applying two 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 shade as approved by Engineer-in-Charge (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 over 1mm thick water proof wall care putty suitable for exterior surfaces exposed to weather as per manufacturer's instructions complete all as specified and as directed.

M&L for two coats of fiber reinforced elastomeric liquid applied waterproofing membrane paint (‘SmartCare Damp Proof’ of Make ‘Asian Paints’ or equivalent make as approved by GE) over and including self priming coat on existing plastered surfaces including necessary preparation of surfaces complete all as per manufacturer's instructions and as directed.

M&L for preparation of old painted surfaces of wood and wood based material of any description over 10 cm in width or girth and applying two coats of 1st quality synthetic enamel paint of approved tint all as specified & as directed.

M&L for preparation of old painted steel and iron surfaces of any description over 10 cm in width or girth and applying two coats of 1st quality synthetic enamel paint of approved tint all as specified & as directed.

Dismantling carefully and taking up or down existing unserviceable/serviceable steel water tubing and connections of 15mm bore complete all as specified and as directed.

Fixing/Laying only, jointing and testing old serviceable galvanized steel water tubing medium grade of 15mm bore obtained serviceable vide serial item No. 39 here-in-before including cleaning the pipe from inside & outside properly including rust & mud removal, with & including new fittings and fixed to walls and ceilings or laid in floors in new or old position complete all as specified and as directed. Note : The quoted rate shall deemed to include new GI fittings (ISI marked). Old fittings shall not be used.

M&L for galvanized steel water tubing medium grade of 15mm bore (ISI marked) with & including all fittings, fixed to walls and ceilings or laid in floors, complete all as specified and as directed.

Dismantling carefully and taking up or down existing unserviceable/serviceable steel water tubing and connections of 20mm bore complete all as specified and as directed.

Fixing/Laying only, jointing and testing old serviceable galvanized steel water tubing medium grade of 20mm bore obtained serviceable vide serial item No. 42 here-in-before including cleaning the pipe from inside & outside properly including rust & mud removal, with & including new fittings and fixed to walls and ceilings or laid in floors in new or old position complete all as specified and as directed. Note : The quoted rate shall deemed to include new GI fittings (ISI marked). Old fittings shall not be used.

M&L for galvanized steel water tubing medium grade of 20mm bore (ISI marked) with & including all fittings, fixed to walls and ceilings or laid in floors, complete all as specified and as directed.

Disconnecting existing PVC water tanks fixed in any description of capacity exceeding 250 ltrs and not exceeding 500 ltrs, setting aside (or lowering if required) for repairs, cleaning and removing scale and dirts etc from tanks and from mouths of circulating pipes etc and hoisting as ordered, including reconnecting and re-fixing in same position and testing on completion complete all as directed.

Disconnecting existing PVC water tanks fixed in any description of capacity exceeding 500 ltrs and not exceeding 1000 ltrs, setting aside (or lowering if required) for repairs, cleaning and removing scale and dirts etc from tanks and from mouths of circulating pipes etc and hoisting as ordered, including reconnecting and re-fixing in same position and testing on completion complete all as directed.

Dismantling of existing any type & any capacity water storage tank fixed in any description and S&F new 1000 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover hoisted and fixed in position where ordered and making necessary connections for fixing inlet, outlet & over flow pipe & provision of wash out pipe etc. complete as specified in SSR Part-I and as directed.

Dismantling of existing any type & any capacity water storage tank fixed in any description and S&F new 500 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover hoisted and fixed in position where ordered and making necessary connections for fixing inlet, outlet & over flow pipe & provision of wash out pipe etc. complete as specified in SSR Part-I and as directed.

S&F in repair Ball brass valve, high pressure, with polythene float and flynut, screwed for iron pipe or brass ferrule of 20 mm bore and fixed complete all as specified and as directed.

S&F in repairs 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints / solvent cement joints fixed to walls, complete all as specified & as directed.

S&F 110 mm bore PVC (SWR) bends any radius with access door including jointing the same with solvent cement complete all as specified & as directed.

S&F 110 mm bore PVC (SWR) junction single (single T) equal or unequal including jointing the same with solvent cement complete all as specified & as directed.

S&F PVC (SWR) Vent cowl 110 mm bore size fixed complete all as directed.

Cutting/ Chipping/ Dismantling of spall / loose damaged concrete from soffits of RCC slab / other RCC structural members in a controlled manner carefully by low impact high frequency hammer or by manual chipping without damaging the existing concrete upto good parent concrete to expose the existing reinforcement (direct hammering should be avoided) average thickness of 50-75 mm including cleaning the exposed surfaces by water jet pressure pump at 4 to 5 kg/ Sqcm pressure to remove chlorides and loose particles, air drying the surface etc for further treatment with & including all necessary tools, safety measures like helmet, safety belt, adequate labour insurance, scaffolding, etc. for height upto 15 metre from average ground level under the supervision of qualified supervisor (the damaged ceiling/ concrete shall only be measured) complete all as specified and as directed.

M&L for cleaning existing reinforcement bars with wire brush / rotary wire brush making the surface free from cement skin, loose particles, dirt, etc and applying rust remover/converter (Rebaklense RR of M/s Fosroc / Amandur of GK technocom or equivalent of Dr. Fixit / SIKA / Pidilite) over the corroded reinforcement bars where ever micro concreting is required and cleaning the same after application with & including all necessary tools, scaffolding, etc. for height upto 15 metre from average ground level complete all as specified and as directed.

Supply and application of Nitozinc Primer of M/S Fosroc or equivalent of Dr. Fixit / SIKA / Pidilite over the exposed steel reinforcement after removing the rust scales from the exposed reinforcement bars with & including all necessary tools, scaffolding, etc. for height upto 15 metre from average ground level complete all as specified and as directed.

M&L for applying Nitobond EP (2.5 Kg pack and coverage area 5.5 Sqm/ 4.5 Kg pack and coverage area 10 Sqm) epoxy bonding agent over the old concrete surfaces including the cost of all materials, rent of tools, scaffolding, brush etc. for height upto 15 metre from average ground level complete all as directed by the Engineer-in-Charge. Make: Fosroc or equivalent of Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE.

M&L for non shrink cementitious micro concrete (‘SikaRep Microcrete-4’ of Sika / ‘Renderoc RG’ of Fosroc or equivalent of Dr. Fixit) meeting ASTM C1107 standard in average thickness 50mm and having minimum compressive strength 50 N/sqmm after 28 days as per ASTM C109, for repair to column, beam, slab, etc, complete all as per manufacturer’s instructions cost inclusive of scaffolding, shuttering, formwork, curing etc. for height upto 15 metre from average ground level complete all as directed. Notes : (i) Quoted rate shall deemed to be inclusive of form work, scaffolding, safety belt, etc. (ii) Reinforcement shall be measured and paid for separately.

M&L for providing additional reinforcement TMT bars in place of more than 1/3 corroded reinforcement bars including cutting, bending, placing and fixing in position using 'Lokfix' of M/S Fosroc or equivalent of Dr. Fixit / SIKA / Pidilite with & including all necessary tools, scaffolding, etc. for height upto 15 metre from average ground level complete all as specified and as directed. Note : Weight of TMT bars shall only be measured for payment purpose.

M&L for application of high build polymer modified cement mortar (1:3) mixed with 6 ltrs SBR latex per bag of cement {Compressive strength after 28 days ≥ 40 N/sqmm (According to ASTM C109)} in small patch work over column/ beams/ ceilings / walls surfaces 20 to 30mm thick in two layers over a coat of bonding agent like Nitobond SBR (1 ltr SBR + 3 Kg cement) applied as per manufacturer’s instructions for height upto 15 metre from average ground level complete all as directed by the Engineer-in-Charge. Note :- SBR latex chemical shall be measured and paid for separately as ‘Supply only’.

Supply only SBR latex chemical of Make Krishna Conchem / Dr. Fixit / SIKA / Fosroc / Pidilite / BASF / Sunanda / Asian as approved by GE.

JAMNAGAR ELECTRIC AND MACHINERY CO

KEVAL ENTERPRISE

S t modi

Magnus Enterprise

Suraj Builders

Dhangot Brothers