REPAIR AND MAINTENANCE OF JOINERY, TOLLING SHUTTERS, FLOORING, RCC MEMBERS AND PAINTING TO SUB STATION BLDGS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM

Amount

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

M&L 25 mm thick plain cement concrete type B0 1:2:4 (12.5mm graded crushed stone aggregate) as in floor, finishing the cement concrete surface even & smooth without using extra cement all as specified and directed.

M&L non skid coloured ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match over 15 mm thick 1:6 cement morter screed bed as in floor complete all as specified and directed. compete all as specified and directed.

M&L coloured Glazed ceramic tiles 350x 250x 7 mm / 450X 350X 7mm thick in vertical surface set and jointed in neat cement slurry and pointed in white or colour cement to match over 15 mm thick 1:6 cement morter screed bed as in floor complete all as specified and directed. compete all as specified and directed.complete all as specified and directed.

Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed.

Taking down cement plaster on brick or concrete wall etc including racking out joint hacking for key, scrubbing down with water etc. complete all as specified and as directed. Note- Removing the debries outside from the Dockyard premises complete all as specified and directed.

M&L for Pre cast cement concrete type 1:3:6 type C-1 (20mm graded stone aggregate) block masonry with solid blocks exc 10 cm in width and setting in cement mortar 1:4 complete all as specified and as directed.

M&L rendering 15 mm thick in CM (1:4) on brick / concrete surfaces of wall and finishing the surface even and smooth without using extra cement complete all as specified and as directed.

M&L rendering 10mm thick in CM (1:4) on brick / concrete of wall and finishing the surface even and smooth without using extra cement complete all as specified and as directed.

M&L rendering 15 mm thick in CM 1:6 on brick / concrete wall surfaces of any description, and finishing the surfaces even and smooth without using extra cement complete all as specified and directed.

M&L rendering 5 mm thick in cement mortor 1:4 on concrete surfaces as in ceilings and finishing surfaces even and smooth without using extra cement complete all as specified and directed.

M&L preparation of newly plastered surfaces of wall and apply three coats of white wash complete all as specified and directed.

M&L preparing new surfaces of walls and applying two coats of oil emulsion distemper over a coat of alkali resistant primer over a coat of wall putty of thickness 2 to 3 mm and cutting to smooth surfaces by sand paper complete all as specified and directed.

M & L preparation of newly plastered surfaces of and walls and applying two coats of exterior emulsion paint (weather coat) over a coat of alkali resistance primer complete all as specified and directed.

M&L preparation of old plastered or unplastered surfaces of ceiling and applying two coats of white washing complete all as specified and directed.

Preparation of old wooden surfaces of any description not otherwise described over 10 cm width or girth and applying one coat of synthetic enamel paint all as specified and directed.

M&L preparation of old plastered or unplastered surfaces of wall applying one coat of oil emulsion distemper complete all as specified and directed.

M&L preparation of old plastered or unplastered surfaces of ceiling and applying one coat of white washing complete all as specified and directed.

M&L preparation of old plastered or unplastered surfaces of wall applying one coat of of exterior emulsion paint (weather coat) complete all as specified and directed.

Demolition of cement concrete( un reinforced) in ground floors and paving n exc 15 cm thickness (below or above ground level) including removing of the debris outside naval Dockyard premises complete all as specified and directed.

Demolition of RCC work of any description and in any position not otherwise specifically provided for including removing of the debris outside naval Dockyard premises complete all as specified and directed. (reinforcement cut as required to facilitate demolition).

M&L pre-cast reinforced cement concrete 1:2:4 type B1(using 20 mm graded crushed stone aggregate) as in cover slab of man holes, septic tank etc set in CM 1:4 including necessary forms, moulds etc with removal of existing unserviceable cover slab from manholes / septic tank / cable duct chamber etc. complete all as directed.

M&L RCC (design mix) M-20 / Ready mix Concrete (using 20 mm graded crushed stone aggregate) as in foundation, plinth beams, base of column, footing and mass concrete etc. complete all as specified and directed.

M&L MS TMT bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia as reinforcement complete

M&L MS TMT bars 6 to 8 mm dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia as reinforcement complete.

M&L hard core of broken stone of gauge n. exc. 63 mm, deposited, spread and levelled in layers n. exc. 15 cm thick, watered and rammed to a true surface all as specified and directed.

M&L forming construction joint 30 mm deep and 10 mm wide filled with scaling compound Grade 'A'. complete all as specified and as directed.

M&L chequered cement concrete tiles 20 cm x 20 cm x 25 mm thick, set jointed and pointed in neat cement slurry with grey cement and pigments over 15 mm thick 1:6 cement morter screed bed as in floor complete all as specified and directed.

Taking down chowkats or frames not exceeding 1.5sqm with shutters (without taking off shutters from the frame) complete all as specified and as directed.

Taking down chowkats or frames exceeding 1.5sqm but not exceeding 4.0 sqm with shutters (without taking off shutters from the frame) complete all as specified and as directed.

Supply & Fix factory made solid PVC door Frame of size 50 mmx47 mm made out of 5mm thick plain colour PVC sheet reinforced M.S. square tube, supplying & fixing in opening as per specification & drawing on page no. 160 of SSR Part -II complete all as specified and as directed.

Supply & Fix factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. square tube for top and bottom rails. M.S. frame shall be covered with heat moulded plain colour PVC 'C' channel having a PVC sheet strip 20 mm wide stuck inside with solvent cement for stiles and plain colour PVC sheet for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; Panelling of plain colour PVC sheet to be fitted in M.S. frame welded /sealed to the stiles and rails with suitable sheet beading, and jointed together with solvent cement, supplying & fixing in the frame at site as per specification and drawing of page no 156 of SSR Part -II complete all as specified and as directed..

Supply & Fix Stainless Steel butt hinges medium weight of size 100 mm complete all as specified and as directed.

Supply & Fix Extruded aluminium alloy handles 150 mm long fabricated type anodised complete all as specified and as directed .

Supply & Fix 150 mm long aluminium anodised barrel tower bolt of extruded section complete all as specified and as directed.

Supply & Fix 250 mm long aluminium alloy anodised sliding door bolt with hasp and staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast aluminium alloy complete all as specified and as directed.

Supply & Fix anodised aluminium grill, DG 104 having mess size 100mmx100mm made out 6mm wide & 3mm thick aluminium section complete with suitable size E or C channel complete all as specified and as directed.

Supply and fix powder coated aluminum door shutter with chowkats made out of hollow aluminium sections as mentioned below, each shutter having 2 Nos. ‘D’ type aluminium handles of 200 mm long, 2 Nos. aluminium tower bolts of 200 mm long and 1 No. mortice lock of 6 lever with key in duplicate, regulated by hydraulic door closure, shutter partly glazed with 5.5 mm thick sheet glass and partly panelled with 12 mm thick pre laminated particle board exterior grade with one side decorated choice lamination & other side balancing white fixed with glazing clips, rubber beadings and aluminium beading complete all as specified and as directed: Chowkat size : 101.60 x 44.45 x 2.40 mm (1.608 Kg./RM appx.) Shutter Top rail : 114.30 x 2.15 mm thick (1.836 Kg./RM appx.) Bottom rail : 150.00 x 2.20 mm thick (2.376 Kg./RM appx.) Middle rail : 83.50 x 1.70 mm thick (1.243 Kg./RM appx.) Vertical rail : 85.00 x 1.80 mm thick (1.302 Kg./RM appx.)

Repairs and servicing to rolling shutters by removal of wornout components such as hood covers, laths, ball bearing, helical wire springs, lock plates, shaft pipes and straightening of existing guide channels, laths, hood covers at required places including greasing and servising, refixing in the same openings complete all as specied and as directed.

Taking down exising steel rolling shutter incl hood cover pull and push type, n exc 15 sqm area of sides of clear opening and cleaning the sides of shutters suspension shafts, anti-guide channel and gearing all the moving parts rolling shutters and strengthening rolling shafts and replacement of bolts and nuts as required for smooth functioning of shutters and refixing the same including hood cover complete all as specified and as directed.

S&F in 1.25mm thick Steel rolling shutters, with out ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer; erected in position as indicated, complete: push pull or manual type but gear operated type with bevel gear box and crank handle complete all as specified and as directed including taking out old one.

S&F electrically operated, 1.25mm thick steel rolling shutters n exc 15 sqm area of sides of clear opening , with chian wheel and hand chain,and quide channels with out ball baring, as specified including top cover anchoring rod, hasp and staple, shaft, pipe, brackets, and one shop coat of primer, erected in position as indicated complete motor operater type with bevel gear box and crank handle complete all as specified and and as directed including taking out old one. Note:- Electric motor measured and paid separately under relevant item.

S&F Eelectric motor of capacity 600W -710W, 230V, 50Hz, Lifting capacity 400kg to 800Kg and single phase for rolling shutter including all necessary fitting complete all as specified and as directed including taking out old one.

S&F ball bearing for rolling shutters (ISI marked) for 40/50 mm dia pipe shaft complete all as specified and as directed including taking out old one.

S&F in repairs mild steel lock plate & handles made out of MS flat iron 40x5mm incl welding (lock plate & handle should be replace of old damaged lock plate) and painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

S&F in repairs mild steel helical wire springs (conforming to IS-6248-1970) for rolling shutters not exc 15 sqm of approved make complete all as specified and directed.

S&F in repairs mild steel helical wire springs (conforming to IS-6248-1970) for rolling shutters exc 15 sqm of approved make complete all as specified and directed.

S&F in repairs MS gear box assembly complete including connecting and fixing the gear box to wall with 4 Nos hexagonal bolts of 10mm dia and 100mm long complete including cutting into existing wall/pillar of brick work/RCC and filling back with PCC 1:3:6 type C1 usig 20mm graded crushed aggregates complete all as specified and as directed.

S&F hood covers made out of mild steel sheets 1.00mm thick incl bending the sheet to the required shape and fixing the same to the rolling shutter bracket plate incl one coat of red oxide primer and two coats of synthetic enamel paint complete all as specified and as directed.

S&F in repairs mild steel pulleys for 32/40mm dia pipe ( of approved make) for rolling shutters complete all as specified and as directed.

Supply only MS gear handle(of approved make) for gear operated rolling shutters complete all as specified and as directed.

S&F in repairs inter locking lath section formed from rolled MS strips 1.25mm thick for shutters up to 3.5m width complete all as specified and as directed.

All as per item No 53.00 above but 1.25mm thick MS strips for shutter above 3.5m width complete all as specified and as directed.

Repairs to collapsible gate removal and replacement of worn out minor parts such as rivets, rollers wheels, straightening of vertical channels and cleaning of rust including greasing and re fixing the same in position complete all as specified and as directed.

Taking down exising steel collapsible Gates incl pull and push type, top hung or bottom rest , consisting of channel pickets pivots flats bars top and bottom runners , brass handle etc. erected in position and securing runners with hold fasts and bracket complete all as specified and as directed.

S&F collapsible steel Gates top hung or bottom rest, consisting of channel pickets pivots flats bars top and bottom runners , brass handle etc. erected in position and securing runners with hold fasts and bracket complete all as specified and as directed including taking out old one.

M&L for Preparation of old painted steel surfaces of any descriptions over 10cm in width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed.

M&L preparation of new or previously untreated steel and iron surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

Surface excavation not exc. 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil all as specified and directed.

Material & labour for chipping (20mm to 50mm) of existing damaged, crakced, spalled & loose portion of concrete of the RCC members completely till the reinforcement is exposed and sound concrete is observed by using mechanical means and manual chisels and further the surface is cleaned with water jet, again clean the surface with blower to remove all loose fine particles present in the surfaces and for removal of dust and loose particles complete all as specified and as directed..

M&F for fixing injection grouting nozzle of suitable size for Injection grouting for structural cracks with low viscous epoxy resin grouting chemical like Conbextra EP10 manufactured by M/s Fosroc Chemicals or equivalent product manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt Ltd and grouting by injecting the chemical by using an electrically operated pressure grouting machines until the nipple refuses the grout or the grout comes out from a nearby nipples and after grouting, all the nipples shall be cut and the surface shall be finished to match the nearly surface complete all as per manufacturer's instruction and as directed. (Note :- 1. Work shall be executed as per manufacturer's instruction. The chemicals are available in two components - base and the hardener. The components of a pack shall be mixed at a time by mechanical means using a slow speed heavy duty drilling machine fixed with mixing paddles. Part mixing of a pack is not accepted. 2. Grouting chemical can be measured and paid separately)

Supply only injecting grouting Chemical low viscosity epoxy based like Conbextra EP10 manufactured by M/s Fosroc Chemicals or equivalent product manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt Ltd complete all as specified and directed.

Supply only welded steel wire fabric complete all as specified and as directed. .

M&L for wet spray repair mortar - Fosroc make ,Renderoc DS40 @ 40mm thick to the Slab soffits, coloumns, chajjas, lintels, staircase slabs , Beams,parapets. etc. Application procedure:Stock the sufficient quantity of RENDROC DS40 manufactured by M/s Fosroc Chemicals or equivalent product manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt Ltd and washed/dried 6mm downgraded course aggragate at site, the premixed factory made polymer modified dry spray concrete and 12.5 kg of 6mm downgraded aggregate shall be placed in to the funnel arrangement of the wet spray concrete pumping machine. Water shall be filled in the water tank and connected to the dry spray concrete pumping machine. The prepared and SBR ploymer modifies bonding coat applied surface shall be in a tacky state. The wet spray concrete shall be pumped through the hose connected to the compressor and pumping machine. At the tip of the concrete pumping nozzle, water shall be added at the time of concrete spray. The concrete shall be sprayed continously to achieve the required thickness and continued up to the prepared surface. Immediately after the spray is completed. water shall be sprinkled over the surface and finish the concrete surface with steel float/ leveling frame until smooth finish is achieved. The process shall be continued for the entire prepared surface. The cost of all materials, cost of hire charges of machineries, tools and all labour charges to be included complete.

M&L for patch repair in concrete surfaces of depth more than 20mm with shrinkage controlled polymer modified fibre reinforced Cementitious patch repair mortar Renderoc SP40 of Fosroc make or equivalent product manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt Ltd having a compressive strength of 45 Mpa over a coat of Nitobond SBR on the base surfaces complete all as specified and as directed. [Note : 25 Kg of Renderoc SP40 bag ready to use at site by mixing with water at 4.25 Ltr per bag shall be used for patch repairs in concrete.] Make : Renderoc SP40 of Fosroc or E-in-C make as approved by GE.

SRI DHANESWARI ENGINEERING WORKS

BALAJI MATRIX HOLDINGS

sai ganesh enterprises

Sri Vayuputra Constructions

V SATYANARAYANA RAJU

RAGHU RAMA PANDA