SPECIAL REPAIRS OF BLDG NO P 311 AND PROVISION OF GEYSERS TO CERTAIN BLDGS AT NAVY NAGAR AT NAVAL STATION KARANJA

Amount

Notes : (i) The work consists of 02 jobs as under:- JOB (A) : SO(K)/03/2023-24/SPL REP B/R & JOB (B) : SSO(K)/03/2023-24/LBW (ii) Please refer schedule 'A' notes before quoting the tender. (iii) Amount of Schedule of Credit shall be deducted off line by the department. ITEMS FOR JOB 'A'

Chipping , removing carefullly concrete work by low impact hammer ,breaker without damaging the structure & cleaning and disposal of debries out side the premises etc. ccomplete all as specified and directed. NOTE: Hard concrete should not be removed by force.

Cleaning existing reinforcement with wire/ rotary wire brush, making the surfaces free from loose material dirt etc. complete and M&L for applying two coats of alkaline rust converting primer (FEOVERT of Krishna Conchem or Roff rust cleaner of Piddilite or Dr. Fixit Rust removal or ShaliRust of STP Ltd. or equivalent as approved by GE) on the rebars, including cleaning the reinforcement, wirebrushing to remove loose rust spalls, wash the rebars with clean water within 3 min and wipe it dry complete all as specified and directed.

M&L 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. (Epoxy primer for steel of make / brand - Corroseal-ZR of Krishna Conchem or Dr. Fixit Epoxy zinc primer or equivalent as approved by GE) complete all as specified and directed.

Cleaning all loose laitance on the concrete substrate and M&L for applying one coat of epoxy bonding agent on exposed concrete surface to ensure bond between old concrete & new concrete by brush application complete all as specified and directed. (Make / brand Monobond SBR of Krishna Conchem or Dr. Fixit epoxy bonding agent or Shalicrete URP of STP Ltd. or equivalent as approved by GE)

M&L for Building up the profile of structural members by using latex additives(MONOBOND) modified air cured mortar system (Polymer modified mortar) (1:5:15 = 1 monobond-5Cement-15 sand) -in damaged areas in 30mm thickness including leveling profliling etc complete all as specified and directed.

M&L for applying concrete protection coating on finished structural members exposed to atmosphere (Make IPNET of Krishna Conchem or New Coat from Dr. Fixit or equivalent as approved by GE) complete all as specified and directed.

M&L 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 :- (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) In case 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 & let it dry for 2 to 3 days. Also, seal the crack between the ports with epoxy putty. (v) In case 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.

M&L for Injecting of site mixed cement slurry grout, mixed in specified proportion containing cement, sand water with addition of plasticizers (approved make) & 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 till the grout mix flows out from the nozzle indicating complete filling of grout in the holes drilled. (Make / brand of Epoxy grout - Dr. Fixit Epoxy injection or EPCO KP-HP-250 of M/s Krishna Conchem or Shaligrout EI of STP Ltd. or equivalent as approved by GE) complete all as specified and directed.

M&L 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 EPCO-KP-100/Protectsil CIT or Ferogard 903. 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 directed.

M&L for 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 all as specified and directed 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.

M&L for TMT bar 6 to 8mm dia as in stirrups 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 directed. NOTE: Steel provided on the basis of 1% of volume of concrete.

M&L 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 directed. Note: Quoted unit rates includes jacketing, formwork and micro concrete

Taking down existing bitumen felt roof treatment including cement mortar bedding and cleaning the surface and removal outside the MoD land, complete all as specified and directed. Note :- 1. Taking down earthing strips incl insulators from roof for treatment and re-fixing of same with existing specification in the same position after laid APP membrance including replacement of broken insulators, PVC rawl plus & screws etc are deemed to be inclusive of rate quoted by the contractor. 2. Unit rate quoted shall also include for removal of PVC water storage tank wherever existing carefully and refixing at the same or other position after completion of roof repair work 3. APP work shall be carried out on PENT RCC roof at 12 -15 mtr height (non accessible roof).

Demolition of cement concrete (unreinforced) roof or chajja padding of any description and any position not otherwise specifically provided for and removal of debris outside MOD land complete all as specified and directed.

M&L for PCC (1:2:4) type B-1, using 20 mm graded stone aggregates as in padding to roof to maintain the required slope same like as in chajjas, balconies, canopies, desk slabs and in shelves and finished the surface even and smooth without using extra cement, complete all as specified and directed.

M&L for 10mm thick cement plaster in CM (1:3) on roof top and chajja and concrete surface mixed with WPC as per manufacturer’s instructions @ 3% by weight of cement on concrete surfaces, finished even and smooth without using extra cement complete all as specified and directed. Note : WPC shall be measured and paid separately.

M&L water proofing treatment of roof consisting as under:- (a) Applying evenly a coat of bituminous primer conforming to IS-3384:1986 @ 0.40 litre/sqm including preparation of roof surfaces (b) A layer of 3mm thick APP polymeric membrane of weight not less than 3.5 kg/sqm, reinforced with polyester non-woven fabric, duly sealed at over laps & joints with end laps of the 10cm and side over laps of 7.5cm by flame (by torch application) all as per manufacturer’s instructions, complete all as specified and directed.

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

M&L for Appling one coat of Bitumen water proofing aluminium heat resistance paint on the roof as per manufacture instructions complete all as specified and directed .

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 directed.

M&L for pre-cast cement concrete block masonry with solid blocks in 10cm in width in type B1 1:2:4 (20mm graded stone aggrgate) and setting in mortar (1:6) complete all as specified and as directed

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

M&L for Brick work with sub class 'B' bricks using old size bricks straight or curved on plan exc 6m mean radius build in CM (1:6) etc complete all as specified and directed.

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 directed.

M&L for ready mix plaster for rendering 15mm thick on fair faces of brick/concrete surfaces finished even and smooth without using extra cement (WPC to be measured and paid separately) complete all as specfified and directed.

M&L for ready mix plaster for rendering 10 mm 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 directed.

M&L for ready mix plaster for rendering 5 mm thick on ceilings in cement mortar 1:3 and finishing the surface even and smooth without using extra cement complete all as specified.

M&L for three coats of white wash on newly plastered surfaces of ceilings including preparation of surface complete all as specified and directed.

M&L 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 over & including one coat of primer complete all as specified and as directed

M&L for new or old plastered surface and prepare the smooth surface with sand paper and applying two coats of royal acrylic distemper on walls or ceiling complete all as specified and directed.

M&L for applying 2 mm thick exterior grade wall care putty on wall/ ceiling multipurpose mixer shall be used for uniform and mixing of putty complete all as specified and directed.

M&L for new or old external wall surface by wire brushing/grinding in order to remove dust, dirt, loose particles, laitance. Thereafter wash the surface with mechanical water nozzal with clean water & allow to dry. Fill visible cracks/ joints by crack seal compound and epoxy base joint filler including resin and hardener in proportion as per maufactures instruction & allow to dry for 24 hours. Apply one coat of water base primer (with mechanically airless paint sprayer machine) and allow to dry for 6 hours appx.Thereafter apply 02 coats of WB high build anti caronatin coating cum waterproofing (with mechanically airless paint sprayer machine) & match with brush at the interval of 08 hours between the coat and allow to dry to match the existing shade in camoflauge pattern including or plain necessary scaffolding necessary security for the workers for any height, covering etc ccomplete all as specified and directed. Note : External water proofing treatment on wall at any height of the building including acrylic paint shall be applied by mechnaically Airless paint sprayer machine only.

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

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

Taking down chowkhat or frame with shutter (without taking off shutter from the frame) exceeding 1.5 sqm not exceeding 4.0 Square Metre each , removing from the site including cutting holes required for taking out existing hold fast etc. complete all as specified and as directed.

M&L second class hardwood 30mm thick plain, framed, panelled shutters (any number of panels), with panels of timber flat on both sides (feather edged), or of veneered particle board medium density, wood particle board with commercial face veneers; supplied and fitted to chowkats complete all as specified and directed.

M&L for Painting to new wooden surfaces by applying one coat of pink primer and two coats of synthetic paint including preparation of surface complete all as specified and directed.

S&F in repair stainless steel medium weight butt hinges 100mm long fixed with SS/ gypsum screws complete all as specified and directed.

S&F stain less steel bright polished barrel tower bolt with plate with 10mm dia of shoot and 450mm long complete all as specified and directed.

S&F 150 mm Brass barrel tower bolts, with cast or sheet barrel and rolled or cast bolts and fixed complete all as specified and directed.

S&F 300 mm long, 16mm dia stain less steel bright polished door sliding bolt hasp and staple type with fixing of clips 3 Nos with fixing with nut & bolt complete all as specified and directed.

S&F Extruded brass handles, fabricated type polished size of handle 150 mm complete all as specified and as directed.

S&F two legged aluminium floor door stopper with rubber shoe 140mm long complete all as specified and directed.

S&F for aluminium body hydraulically door closer regaulted, designation No.3 universal type, suitable for door shuttes of 851 to 1000 mm in width and of weight between 61 to 80 Kg and fixed complete all as specified and directed.

S&F in repairs double action floor spring hydraulically regulated made up to min 1.25 mm thick aluminium alloy sheet foundation box main body with stainless steel cover governing pivot made of brass other parts made of mild steel heavy duty & fixed, complete all as specified and directed.

S&F aluminium door/window/ventilator/partition, made out of extruded powder coated aluminium sections, with sliding or openable shutters including frame & 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 & eyes, peg stays and handles, concealed star lock for aluminium window, Mortice lock vertical type size 100mm 04 lever for door, rubber beading suitable for fixing 4mm / 5mm thick glass in aluminium window / doors including connected items,with and including making good to the disturbed portion with its original specifications complete all as specified and directed.

M&L, for 12 mm thick pre-laminated particle board, exterior grade, pre-laminated on both side with decorative choice laminations fixed between aluminium section with and including snap fitting aluminium clips of polyester powder coated along with the glass with rubber gasket, complete all as specified and directed.

S&F in repair 4mm thick sheet glass ordinary quality black glass colour, white or multicolour and glazing with oil putty in square exc 0.5 Sqm in each pane with glazing pins incl hacking out old broken galss (any thickness size, quality) complete all as specified and directed.

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

S&F 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 directed.

S&F in repair Rotational moulded Polyethylene (HDPE) Water Storage Tank 1000 LITRE Capacity (Cylindrical Vertical with Closed Top), Black 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 complete all as specified and directed.

Dismantling wall and ceiling boards or insulation boards, any thickness, any description, including cover fillets complete all as specified and directed.

S&F in repairs PVC tiles /sheets, of 2mm thick laminated plain coloured homogenous, laid with approved rubber based adhesive in floors complete all as specified and directed.

S&F 4 mm thick plain asbestos cement board as in false ceiling with and including applying two coats of oil bound distemper over a coat of chalk whitening and making to good existing frame without disturbing the other false ceiling complete all as specified and directed. (Note:- Unit rate shall be include to work at any height of Bldgs and arrangements of scafolding .)

S&F false ceiling with Armstrong XL 24mm grid system of grid size 600x600mm with 12 mm thick ceiling board of RH-90. including frame work made using aluminium T section of size (25mm x 25 mm, 19 gauge or 1mm thick) in square pattern of grid size of 600 x 600 mm. The aluminium frame work is supported from the ceiling with the help of GI wire/6 mm dia GI (upto 1200 mm length) adjusting and maintain for proper level to roof salbs by means of ceiling cleats made out of GE flat 40x3 mm sie 60mm long and expansion hold fasterners 12.5mm dia 40mm long complete etc. The aluminium frame work is supported on side wall with the use of aluminium 25 mm X 25 mm angles complete all as specified and directed.

Preparation of new or perviously armstrong false ceiling surface of any description not otherwise described and M&L for applying two coat of synthetic enamel paint over one coat of primer complete all as specified and directed.

Preparation of new steel surface of any description not otherwise described, over 10 cm width and M&L for applying one coat of red oxide primer and two coat of synthetic enamel paint complete all as specified and directed.

ITEMS FOR JOB 'B'

S&F electric water heater, storage type, ABS body with glass lined coated stainless steel inner tank and heating element 2 KW, capacity 25 litre, BEE 5 star rated with all accessories such as safety valve, thermostat, NRV, connection piece etc, complete all as specified and directed.

Supply only metallic flexible connection for inlet for (cold water) with its connecting accessories (brass couplings), 0.60 m long, 15 mm dia, heavy duty complete all as specified and directed.

Supply only metalic flexible connection for outlet (hot water pipe) with its connecting accessories (brass couplings), 0.60 m long, 15 mm dia, heavy duty complete all as specified and directed.

S&F Switch socket combination 2 in 1 3 pin, 5 A and 15Amp flush type universal complete all as specified and directed.

S&F PCRD plug for socket level protection to human from electric shock by shutting off the application in case of detection of curent leakage, complete all as specified and directed.

M&L for Point wiring with single core 1100 volts grade 2.5 sqmm multi stranded copper conductor 1100 volts grade PVC FRLS insulated unsheathed stranded copper conductor cable using color code drawn through & including PVC casing caping with all accessories with including sunk type pressed steel/CI terminal box with 3mm thick hylam sheet top cover / PVC Board including 2.5Sq mm PVC insulated unsheathed copper conductor cable for continous earth conductor (using green colour)to connect earth and connecting to earth dolly for 15 Amp Industrial earth plug socket complete all as specified and directed.

S&F stop valves of size 15mm dia, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified and directed.

S&F Bib taps of size 15mm dia, cast copper alloy, with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed complete all as specified and directed.

S&F galvanised steel tubes, medium grade of size 15mm dia and including fixing arrangement with tee, elbow, bend etc complete all as specified and directed.

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