Special repair for external surface of Officers and Sailors Md Accn (Bldg No. P-225 to P-227 and P-205 to P-207, P-222 to P-224, P-240 to P-246, P-286 and P-334) at INS Valsura, Jamnagar

Amount

Taking down cement plaster of any description on PCC/stone surface/brick surfaces including raking 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 cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for in this Schedule and 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.

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 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 any description for height upto 9 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).

S&F GI chicken wire mesh cut to size made to shape as ordered including fixed to walls with nails for receiving the plaster complete all as directed. Note : Weight of GI chicken wire mesh shall be 250 to 300 gm/Sqm.

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 75 mm thick plain cement conctere 1:3:6, type C1 (using 20 mm graded crushed stone aggregate) as in plinth protection, hard standing, etc, finished the surface even and smooth without using extra cement, complete all as specified & as directed. Note : Plinth protection shall be of width as directed and shall be laid with an outward slope of 1:40 in alternative bays not exceeding 2.5 meter in length. Joints of 6 mm wide and 10 mm deep shall be provided along the wall and bays and same shall be filled with bitumen mastic filling comprising 1 part of heated bitumen Blown grade any penetration and 3 parts of sand (all by weight). Quoted rate of this item shall deemed to include this provision.

M&L for Rendering 20 mm thick in cement mortar 1:4 on stone masonry surfaces or surfaces other than fair faces of brick work of walls with WPC mixed @ minimum 2% by weight of cement or as per manufacturer's instructions and finished the surface even and smooth without using extra cement complete all as specified and as directed. Note : WPC shall be measured and paid for separately as 'Supply only'.

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 9 metres from average ground level complete all as specified and as directed.

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

M&L for preparation of old decorated surfaces of walls including cornices etc (plastered or unplastered) of any description, rubbing, scrapping by hand held sander / long handle sander and washing and applying one coat of oil emulsion distemper (OBD) of approved shade/tint by mechanical means/ auto roller including filling undulations with white cement based wall care putty mixed with multi purpose mixer complete all as specified and as directed.

M&L for complete removal of existing treatment of any type on walls by rubbing, scrapping by hand held sander / long handle sander and Jet pressure washing with water and applying two coats of oil emulsion distemper (OBD) of approved shade/tint by mechanical means / auto roller over a coat of primer over & including a coat of 1mm thick layer of white cement based wall care putty mixed with multi purpose mixer complete all as specified and 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 as per manufacturer's instructions complete all as specified and as directed.

M&L for complete removal of existing treatment by mechanical means (any number of layers) by hand held sander/ long handle sander, rubbing down, stopping of distempered & Jet pressure washing with water 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 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 writing letters or figures (Block, Roman, Italic or Indian) of size 5 to 8 cm high with thick synthetic enamel paint of approved tint over a synthetic enamel paint circle of 15 cm dia in approved tint for describing building numbers on concrete/plastered surfaces complete all as specified & as directed. Note : The font, style, matter, tint of paint & place of writing shall be as directed by the Engineer-in-Charge.

M&L for writing letters or figures (Block, Roman, Italic or Indian) of size 8 to 10 cm high with thick synthetic enamel paint of approved tint over a synthetic enamel paint circle of 30 cm dia in approved tint for describing building numbers on concrete/plastered surfaces complete all as specified & as directed. Note : The font, style, matter, tint of paint & place of writing shall be as directed by the Engineer-in-Charge.

M&L for writing letters or figures (Block, Roman, Italic or Indian) of size 10 to 15cm high with thick synthetic enamel paint of approved tint over a synthetic enamel paint rectangular base marking of size 600 mm x 450 mm in approved tint for describing periodical services done/ due details in mm/ yyyy format complete all as specified & as directed. Note : The font, style, matter, tint of paint & place of writing shall be as directed by the Engineer-in-Charge.

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 one coat of 1st quality synthetic enamel paint of approved tint complete 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 one coat of 1st quality synthetic enamel paint of approved tint complete 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. 23 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. 26 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.

Dismantling carefully and taking up or down existing unserviceable/serviceable steel water tubing and connections of 25mm bore complete all as specified and as directed.

Fixing/Laying only, jointing and testing old serviceable galvanized steel water tubing medium grade of 25mm bore obtained serviceable vide serial item No. 29 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 25mm bore (ISI marked) with & including all fittings, fixed to walls and ceilings or laid in floors, complete all as specified and as directed.

S&F in repairs 100 mm bore Cast Iron, sand cast, soil, waste and vent pipes (ISI marked) in any length with or without ears, fixed with cement joints, laid in trenches or floors/ fixed to walls, complete all as specified and as directed.

S&F in repairs 75 mm bore Cast Iron, sand cast, soil, waste and vent pipes (ISI marked) in any length with or without ears, fixed with cement joints, laid in trenches or floors/ fixed to walls, complete all as specified and as directed.

S&F in repair 100mm bore cast iron bends (any radius), diminishing pieces or tapers (larger bore measured) with oval acess door complete all as specified and as directed.

S&F in repair 75mm bore cast iron bends (any radius), diminishing pieces or tapers (larger bore measured) with oval acess door complete all as specified and as directed.

S&F in repair 100mm bore cast iron branch piece, 'Y', 'T', single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches with oval acess door complete all as specified and as directed.

S&F in repair 75mm bore cast iron branch piece, 'Y', 'T', single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches with oval acess door complete all as specified and as directed.

S&F in repairs 75mm 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 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 in repairs 75 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 in repairs 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 in repairs 75 mm bore PVC (SWR) junction single (single T) equal or unequal with access door including jointing the same with solvent cement complete all as specified & as directed.

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

S&F in repairs 75mm bore PVC (SWR) branch piece (Single Y) equal or unequal with access door including jointing the same with solvent cement complete all as specified & as directed.

S&F in repairs 110mm bore PVC (SWR) branch piece (Single Y) equal or unequal with access door including jointing the same with solvent cement complete all as specified & as directed.

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.

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 40-60 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 40mm 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.

Amar Constructions (BID ID -3137120)

JAMNAGAR ELECTRIC AND MACHINERY CO (BID ID -3143586)