SPECIAL REPAIRS TO BLDG NO P-244 (TUGHLAK HANGER) OF INS TUNIR AT NAVAL STATION KARANJA

Amount

Chipping, removing carefullly concrete work by low impact hammer, breakar without damaging the structure and cleaning and disposal of debries out side the premises etc., complete all as specified and as directed by Engr-in-charge. Note: Hard concrete should not be removed by force.

Material and labour for clean existing reinforcement with wire/ rotary wire brush, making the surfaces free from loose material dirt etc., complete and applying two coats of alkaline rust converting primer on the rebars, including cleaning the reinforcement, wire brushing to remove loose rust spalls, wash the rebars with clean water within 3 min and wipe it dry complete all as specified and as directed by Engr-in-charge.

Material and labour for applying two coats of Epoxy based Zinc primer in a span of four hours over the treated rebars and allow to dry for six hours. The application shall be by brush complete all as specified and as directed by Engr-in-charge.

Material and labour for cleaning all loose laitance on the concrete substrate and applying one coat of epoxy bonding agent on exposed concrete surface to ensure bond between old concrete and new concrete by brush application complete all as specified and as directed by Engr-in-charge.

Material and labour for applying ready to mix polymer cement plaster with high quality polymer additives (Polymer plaster) with 4 MPa compressive strength of required thickness over the entire cleaned surfaces including all tools and tackles, etc., in damaged areas in 40 to 50mm thickness including leveling profliling etc., complete all as specified and as directed by Engr-in-charge.

Material and labour for applying concrete protection coating on finished structural members exposed to atmosphere complete all as specified and as directed by Engr-in-charge.

Material and labour for drilling and fixing Rohibb Teflon nozzles in RCC members, including drilling holes of 12mm dia, 50 to 100mm deep holes. Works shall be carried out as under complete all as specified and as directed by Engr-in-charge: (i) Cleaning of holes: Clean the holes by air blower prior to fixing nozzles. (ii) Fixing of nozzles: Insert 12mm dia. Rohibb Teflon nozzles in cleaned holes. External end of nozzles to be machine to receive outlet of grouting gun.Fix it inside the holes by applying thixotropic epoxy putty to ensure complete sealing. Cure the system for min.12 hrs. (iii) Cutting of nozzles: Cut the nozzles by chisel after completion of grouting without damaging structural elements. (iv) Incase crack upto 2mm wide, fix the injection nozzels directly over the cracks, at intervals of 6 to 9 inches, using a drilling machine. Fix PVC/MS nozzels in these holes with fast-setting epoxy putty and let it dry for 2 to 3 days. Also, seal the crack between the ports with epoxy putty. (v) Incase where the crack is wider than 2mm upto 4 to 5mm, drill holes at the sides of the crack in a staggered fashion, at intervals of 6 inches and affix them with epoxy putty as mentioned above. (vi) Also, seal the face of the crack with a liberal application of the epoxy putty.

Material and labour for injecting of site mixed cement slurry grout, mixed in specified proportion containing cement, sand water with addition of plasticizers and migratory corrosion inhibitors, water cement ratio shall be varied between 0.5 to 1.0 for each hole, shrinkage compensating cement slurry mixed to a lump free fresh creamy consistency, mixing shall be done by mechanical mixer continuously stirring mechanically to keep cement particles in suspension. Injection of approved/specified grout by means of pump at a pressure of 3-5 Kg/cm2 etc complete till the grout mix flows out from the nozzle indicating complete filling of grout in the holes drilled complete all as specified and as directed by Engr-in-charge.

Material and labour for injecting low viscosity (3-5cps) high molecular weight monomer by pressure and using mechanized injector gun with accessories till nozzles refuses to accept the grout, including, mixing of materialas: Mixing of material components (part a&b) in the required quantities as per manufacturer's instruction by weigh batching. Grouting: Fill the grouting gun with concrete penetrating corrosion inhibitor. Maintain desired pressure in the gun by air compressor; maintain the pressureat exit (2 to 3kg/cm2) by monitoring pressure guage at exit. Grout the material through prefixed nozzles in the structural elements @ 100ml per nozzle. Repeat the process for all the nozzles complete all as specified and as directed by Engr-in-charge.

Material and labour for mild TMT steel 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. Note: Replacement of steel reinforcement with TMT bars of appropriate size where 30% of cross section is reduced including dismantling of rusted steel complete all as specified and directed.

Providing and fixing additional main steel TMT bar dia 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders of designed diameter in various structural elements like column, beams and foundations including drilling, bending, welding and fixing the bars with epoxy putty etc., complete all as specified and as directed by Engr-in-charge. Note: Steel provided on the basis of 1% of volume of concrete.

Material and labour for providing and applying jacketing around columns with Micro concrete (Molith-MC) M40 including all lifts, shuttering, drilling holes and fixing shear anchor as per specification complete all as specified and as directed by Engr-in-charge. Notes: (i) Reinforcement shall be measured and paid separately. (ii) Rates including jacketing, formwork and micro concrete.

Taking down cement plaster on brick walls or stone walls etc including raking out joint, hacking for key, scrubbing down with water etc including removing debries directed for a distance max upto 500m complete all as specified and as directed by Engr-in-charge.

Demolition of pre-cast concrete block masonary built in cement mortar including all quoins, arches, pillars etc. and pre cast concrete articles complete all as specified and as directed by Engr-in-charge.

Material and labour for pre-cast cement concrete block masonry with solid blocks in 10cm in width in type B1 1:2:4 (Using 20mm graded stone aggrgate) and setting in mortar (1:6) complete all as specified and as directed by Engr-in-charge.

Demolition of brick work or stone boulded masonry built in cement mortar or cement lime mortar complete all as specified and as directed by Engr-in-charge.

Material and labour for brick work with sub class 'B' bricks using old size bricks straight or curved on plan exc 6m mean radius built in CM (1:6) etc., complete all as specified and as directed by Engr-in-charge.

Material and labour for ready mix plaster for rendering 15mm thick on fair faces of brick /concrete surfaces in CM (1:4), finished even and smooth without using extra cement complete all as specified and as directed by Engr-in-charge. Note: WPC to be measured and paid separately.

Material and labour for ready mix plaster for rendering 10mm thick on fair faces of brick work or concrete surfaces of walls in cement mortar 1:6 finished even and smooth (with out using extra cement) complete all as specified and as directed by Engr-in-charge.

Material and labour for preparation of new or previously untreated plastered surfaces of walls and applying two coats of acrylic antifungal paint exterior grade paint plain or camouflage pattern on one coat of primer complete all as specified and as directed by Engr-in-charge.

Material and labour for newly plastered concrete surface and prepare the smooth surface with sand paper and applying two coats of oil bound distemper on walls including 3mm thick wall care putty complete all as specified and as directed by Engr-in-charge.

Demolition of cement concrete (unreinforced) in ground floors and paving not exc 15 cm thickness (below or above ground level) complete all as specified and as directed by Engr-in-charge.

Material and labour for plain cement concrete 1:3:6 type C-1 (Using 20mm graded crushed stone aggregate) in plinth protection, 75mm thick, finished even and smooth without using extra cement, including making joints 12mm wide to the full depth of PCC at every 3m and at every change of direction and filling the same with and including bitumen and sand 1:3 by weight complete all as specified and as directed by Engr-in-charge.

Material and labour for 100mm thick cement concrete type B-2 1:2:4 (Using 40mm graded crushed stone aggregate) as in path/floor finished fair even and smooth without using extra cement, laid in alternate panels of size not exc 4 sqm each complete all as specified and as directed by Engr-in-charge.

Material and labour for 25mm thick wearproof topping using metallic floor hardener as per manfacutre's instruction, PCC 1:2:4 type B-1 (Using 20mm graded stone aggregate) as specified (incorporating an approved metallic floor hardner), laid on concrete floors and pavings and path, and finished even and smooth (except metallic hardner) complete all as specified and as directed by Engr-in-charge. Note: Metallic hardner and glass strips area measured and paid separately.

Supply only 22mm wide and 3mm thick glass dividing strips as laid in floor complete all as specified and as directed by Engr-in-charge.

Supply only metallic hardner mix with cement cncrete as per manufacture instruction complete all as specified and as directed by Engr-in-charge.

Dismantling of floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the permises and removal to out of MoD land complete all as specified and as directed by Engr-in-charge.

Material and labour for glazed ceramic coloured designer concept tiles matching with existing tile 350x250x7mm or 450x350x7mm size as in walls set and jointed in neat cement slurry over 10mm thick receving in cement mortar (1:4) and pointed in coloured cement to match for work on vertical surface such as skirting dado etc., complete all as specified and as directed by Engr-in-charge.

Material and labour non skid ceramic coloured tile 7 to 8mm thick (square /rectangular) area of each tiles exc 0.11 sqm but not exc 0.18 sqm in floor over 15mm thick screed bed in cement motar 1:6, set and jointed in neat cement slurry and pointed in coloured cement to match the tile complete all as specified and as directed by Engr-in-charge.

Supply and fix for vitrified ceramic coloured dark shade tiles 10mm thick (square/ rectangular) polished area of each tile not exc 0.36 sqm in floors set and jointed in neat cement slurry and pointed in white or coloured cement to match including screed bed or bedding layer 15mm thick in CM 1:6 for laying floor finishes complete all as specified and as directed by Engr-in-charge.

Supply and fix for green marble 18 to 20mm thick machine cut, jointing and pointing with white cement slurry including 15mm thick screed bed or bedding layer of mortar in CM 1:6 complete all as specified and as directed by Engr-in-charge.

Taking down chowkhat or frame with shutter (without taking off shutter from the frame) not exc 1.5 sqm each, removing from the site including cutting holes required for taking out existing hold fast etc., complete all as specified and as directed by Engr-in-charge.

Taking down chowkhat or frame with shutter (without taking off shutter from the frame) exc 1.5 sqm not exc 4 sqm each, removing from the site including cutting holes required for taking out existing hold fast etc., complete all as specified and as directed by Engr-in-charge.

Supply and fix for aluminium door /window/ ventilator /partition, made out of extruded powder coated aluminium sections, with sliding or openable shutters including frame and necessary jointing cleats, glazing clips, powder coated aluminium snap beading, screws etc., complete and also including powder coated aluminium fittings such as stainless steel hinges, tower bolts, hooks and eyes, peg stays and handles, concealed star lock for aluminium window, mortice lock vertical type size 100mm 4 lever for door, rubber beading suitable for fixing 4mm/ 5mm thick glass in aluminium window /doors including connected items, with and making good to the disturbed portion with its original specifications including taking down existing members/ frame any position complete all as specified and as directed by Engr-in-charge.

Supply and fix for 4mm thick sheet glass, figured glass, pinhead type, glazing with oil putty area not exc 0.50 sqm each pane complete all as specified and as directed by Engr-in-charge.

Supply and fix for 4mm thick sheet glass, ordinary quality, glazing with oil putty or with wooden or aluminium beads, area not exc 0.50 sqm each pane complete all as specified and as directed by Engr-in-charge.

Supply and fix for rubber beading suitable for fixing 4mm/ 5mm thick glass in aluminium window / doors etc., complete all as specified and as directed by Engr-in-charge.

Supply and fix for aluminium powder coated grill of design DG 104 pattern made out of 10mm dia rod fixed with and including standard aluminium frame of F section of size 23.40mmx15.30mm & 1.4mm thick all as per manufactures instructions complete all as specified and as directed by Engr-in-charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided complete all as specified and as directed by Engr-in-charge.

Supply and fix for MS flat iron wind ties and stays for gutter including securing with bolts and all necessary drilling bolting or riveting etc., conforming to Fe 410-0 or FE 310-0 complete all as specified and as directed by Engr-in-charge.

Supply and fix for framed work such as grills, gratings etc., with ends of bars shouldered and riveted or forged into spikes, framed guard bars, barred iron doors ladders, framed balusters, walkways, railings frame work or water tanks and similar work conforming to Fe-290 gde-E-16 complete all as specified and as directed by Engr-in-charge.

Supply and fix for steel work in tubular trusses, pillars and purlins including special shaped washer etc., complete using ERW or induction butt welded tubes conforming to I.S 1161-1979 grade St.-240 complete all as specified and as directed by Engr-in-charge.

Taking down existing mild steel sliding door/ shutters for and including replacing the slates, bottom lock plates, side guides, sponge rubber gaskets, side bracket etc wherever required and refixing in its original position after repairs including material and labour for greasing and mechanical old and new parts of sliding shutters complete all as per directed for sliding door, shutters of area exc 20 sqm but not exc 50.00 Sqm each complete all as specified and as directed by Engr-in-charge.

Dismantling to asbestos cement (corrugated, Semi corrugated etc) sheets in roof coverings complete all as specified and as directed by Engr-in-charge.

Supply and fix for 0.50mm thick pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet of any colour having tensile strength of 550 Mpa as in roof covering, fixed with self tapping screws etc complete all as specified and as directed by Engr-in-charge. Note: Quoted rate shall be include any height of Bldgs / Hangars for scaffolding as all arrangement.

Supply and fix for fibre glass reinforced translucent corrugated sheeting with two corrugations side lap fixed with L-type or J-type cranked hook bolts complete all as specified and as directed by Engr-in-charge. Note: Quoted rate shall be include any height of Bldgs / Hangars for scaffolding as all arrangement.

Supply and fix for 0.50mm thick pre-painted galvalume aluminium zinc coating GI based plain steel sheet of any colour having tensile strength of 550 Mpa as in valley gutter, ridge hips etc., fixed with self tapping screws etc., complete all as specified and as directed by Engr-in-charge. Note: Quoted rate shall be include any height of Bldgs / Hangars for scaffolding as all arrangement.

Material and labour for preparation of new previously untreated steel and iron surfaces of any description not other wise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chromium primer complete all as specified and as directed by Engr-in-charge. Note: Quoted rate shall be include any height of Bldgs / Hangars for scaffolding as all arrangement.

Material and labour for preparation of old painted surfaces of steel any description over 10 cms width or girth and applying one finishing coat of synthetic enamel paint on steel surfaces complete all as specified and as directed by Engr-in-charge. Note: Quoted rate shall be include any height of Bldgs / Hangars for scaffolding as all arrangement.

Material and labour for cement concrete 1:4:8 type D2 (Using 40mm graded stone aggregate) as in foundation complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair vitreous china wash basin white, flat back size 550X400mm including brackets including cutting for and pinning in ends of brackets or erecting stand including PTMT 32mm waste coupling and waste pipe complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair rotational moulded polyethylene (HDPE) water storage tank 2000 ltrs capacity (Cylindrical Vertical with Closed Top), Black/ white in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I, including tank nipple, union and Lowering of unserviceable Water Storage Tank with Float Valve of any description including dismantling of existing water tank complete all as specified and as directed by Engr-in-charge.

Supply and fix for CPVC water tubing 20 mm bore pipe, SDR 11 including provision of all fittings and connected completed in concealed and surface, along with primer and slovent cement for joint as per ASTM D 2564, pipe material shall be as per ASTM D 1785, fitting/ flanges shall be as per ASTM D2467, incl taking down old pipe line in concealed and surface complete all as specified and as directed by Engr-in-charge. Note: Pipe and fittings made from CPVC shall be clearly marked with manufactures name and trade mark. manufacturer test certificate (MTC) shall be provided.

Supply and fix for CPVC water tubing 25 mm bore pipe, SDR 11 including provision of all fittings and connected completed in concealed and surface, along with primer and slovent cement for joint as per ASTM D 2564, pipe material shall be as per ASTM D 1785, fitting/ flanges shall be as per ASTM D2467, incl taking down old pipe line in concealed and surface complete all as specified and as directed by Engr-in-charge. Note: Pipe and fittings made from CPVC shall be clearly marked with manufactures name and trade mark. manufacturer test certificate (MTC) shall be provided.

Supply and fix in repair for 5.5mm thick and 120/125mm wide sheet glass shelf assembly with chromium plated bracket guard and railing 500/600mm long complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair of soap dish fancy type chromium plated fixed in wall complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair health faucet (brass) with hook and 1m tube complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair bib taps screwed down high pressure with both ends for iron pipe 15mm bore fancy type chromium plated complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair 15mm bore pillar tap in repair cast copper alloy fancy type with capstan heads, chromium plated fancy type screwed down high pressure with long screws shanks and nuts complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair stop cock or angle valve cast copper alloy, chromium plated fancy type, screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair PVC connection 15mm size with PTMT nuts of length 450mm complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair one piece square model water closet floor mounted square commode (White) S trap - white ceramic western commode (white) shape-Elongated type, size 685x360x720mm weight not less 20 Kg 'S' trap and slim seat cover and fitting complete all as specified and as directed by Engr-in-charge.

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including nainital or similar pattern roof coverings complete all as specified and as directed by Engr-in-charge.

Supply and fix for plain galvanized mild steel sheeting 1mm thick in ridge hips valley gutters drips and straight flashing welded or soldered joint complete all as specified and as directed by Engr-in-charge.

Mahadev Enterprises

DARSHAN CONSTRUCTION Co.

Sagar Electricals

M.K Enterprises