SPECIAL REPAIRS TO TECHNICAL BLDG NO 1000 1001 and 1002 DBM 12 13 and 14 OF NAD KARANJA

Amount

Chipping , removing carefullly concrete work by low impact hammer ,breaker without damaging the structure & cleaning and disposing 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.

M&L 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 FEOVERT of Krishna Conchem Products or Roff rust cleaner of Piddilite or Dr. Fixit Rust removal or ShaliRust of STP Ltd. 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 as directed by Engr-in-Charge.

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 complete all as specified and as directed by Engr-in-Charge. Make of Epoxy based zinc primer - Corroseal-ZR of Krishna Conchem or Dr. Fixit Epoxy zinc primer

M&L 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 & new concrete by brush application complete all as specified and as directed by Engr-in-Charge. Make / brand - Monobond SBR of Krishna Conchem or Dr. Fixit epoxy bonding agent or Shalicrete URP of STP Ltd.

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 -5 Cement-15 sand) in damaged areas in 30mm thickness including leveling, profiling etc complete all as specified and as directed by Engr-in-Charge.

M&L for applying concrete protection coating on finished structural members exposed to atmosphere complete all as specified and as directed by Engr-in-Charge. Make/ brand - IPNET of Krishna Conchem or New Coat from Dr. Fixit

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 and 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) 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 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. 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.

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 as directed by Engr-in-Charge.

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 bar or stirrups 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.

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 and incl Jacting for Chicken Mesh complete all as specified and as directed by Engr-in-Charge. Note: Reinforcement shall be measured and paid separately. 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 to a distance max upto 500m complete all as specified and as directed by Engr-in-Charge.

M&L for rendering 20 mm thick on fair faces of brick/concrete surfaces with two coats i.e (15 mm thick backing coat in CM (1:6) and 5mm thick finishing coat in CM (1:4)) , finished even and smooth without using extra cement (WPC to be measured and paid separately) complete all as specified and as directed by Engr-in-Charge.

M & L rendering 15mm 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) with using sagol finish complete all as specified and as directed by Engr-in-Charge.

M&L for epoxy base joint filler paint on external surfaces of walls to fill the cracks with and including resin and hardner in proportion as per manufacturers instructions complete all as specified and as directed Make : Pidilite / Focrac / Chemistic

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

M & L for preparing new plastered surfaces of walls and applying two coats of oil bound distemper over a coat of chalk whitening on plastered surfaces complete all as specified and as directed by Engr-in-Charge.

-Ditto- as per item No.19 above but applying one coats of oil bound distemper on old surfaces complete all as specified and directed.

Excavation in trenches not exc 1.5 m wide and not exc 1.5m deep in for foundation etc n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in hard dense soil complete all as specified and directed.

Excavation in trenches not exc 1.5 m wide and exc 1.5m deep upto 3m depth in for foundation etc n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in hard dense soil complete all as specified and directed.

Removing excavated material exc. 250 m but n.exc 500 m and depositing complete all as specified and as directed by Engr-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm. complete all as specified and as directed by Engr-in-Charge.

M&L for PCC 1:3:6 type C2 using (40mm graded stone aggregate) as in foundations, fillings & mass concrete etc complete all as specified and as directed by Engr-in-Charge.

M&L for RCC M-30 design mix using 20mm graded stone aggregate for foundations, including rafts, footings, foundation beams, plinth beams; bases for columns etc basement slabs, under reamed piles and mass concrete complete all as specified and as directed

M&L for RCC M-30 design mix using 20mm graded stone aggregate for columns, pillars, piers, posts and struts complete all as specified and as directed

M&L for form work to sides of concrete foundations, footings, bases of columns rafts and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work in fair finished surfaces complete all as specified and as directed

M& for form work to sides of pillars, posts, struts, piers, columns and stanchions on fair finished surfaces etc complete all as specified and as directed.

S&F for 16 to 20mm dia mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n.exc 5cm long and length of bolt exec 22.5cm but n.exc 45cm long complete all as specified.

S&F for plates (plain or chequered) channels, square cut ot notched (ordinary and counter sunk) forming holes, without any attachement Gde Fe 410-w complete all as specified and as directed

S&F for rolled mild steel conforming to Gde Fe-410-W (Gde E-250 quality A) as in plate girder or single stanchions, built up of one beam or channel section with flange plates, caps, bases. splices, angle brackets, cleats and other connections complete all as specified and directed.

S&F for 5 to 10mm dia mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n.exc 5cm long and length of bolt exec 05 cm and n exc 10 cm long complete all as specified and directed.

M&L mild steel TMT bars 10 mm dia and over cut to length bent shape as 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 quality conforming to Fe-410-S complete all as specified and as directed

-Ditto all as per item No. 34 above but 5mm dia and over up to and including 10 mm dia in stirrups, spacers and binders complete all as specified and as directed.

M&L for preparing new or previously untreated surfaces of steel of any description, over 10cm in width or girth and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

M & L PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) as in roof/chajja padding for maintaining roof/chajja slope complete all as specified and as directed

M&L for applying oil bound primer @ 0.40 Litre/Sqm manufactured by the same agency as that of APP with density of 0.87 to 0.89 Kg/Litre at 25 degree cesius on the prepared dry roof surface and provide and lay 4mm thick APP modifed water proofing membrane reinforced with non-wooven polyster matt with physical properties as given in particular specification. The laying shall be got done through authorized applicator of manufacturer as specified in particular specifications. Provide over the membrane finishing with two coats of solar reflective bituminous aluminium paint @ 0.10 Kg/sqm as prescribed by manufacturer of membrane including Ten years guarantee on prescribed form complete all as per particular specification , manufacturers instructions and as directed by Engineer-in-Charge.

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

M&L for rendering 10mm thick cement plaster in CM (1:4) on roof top surface including WPC by weight of 3% of total cement content complete all as specified and as directed. Note : WPC will be measured separately

Dismantling of wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards, bonded wool, blanket slab with or without aluminium grid frame work and electric fittings complete all as specified and as directed Note : Rate inclusive of refixing of dismantled light fittings and extension of fan rod wherever required and make it functional for further use.

S&F 4 mm thick asbestos cement plain building board fixed to aluminium grid frame work in ceiling complete all as specified and as directed by Engr-in-Charge.

Fixing only 4 mm thick asbestos cement plain building board fixed to existing aluminium grid frame work in ceiling all as specified and directed.

S&F anodised aluminium snap grid frame work for false ceiling all as specified and directed.

M & L for preparing new ceiling surfaces applying two coats of oil bound distemper over a coat of primer on ceiling board surfaces complete all as specified and directed.

M & L for preparing old asbestos & ceiling board surfaces and applying one coat of oil bound distemper complete all as specified and directed.

Taking down existing mild steel rolling shutters for and including replacing the slates, bottom lock plates, helical springs, side guides, sponge rubber gaskets, hood cover and 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 rolling shutters complete all as per directed for shutters of area exc 20sqm but not exc.50 sqm sqm each, complete all as specified and directed.

S&F factory fabricated mild steel (hardened) helical wire spring of size 450mm long, 80mm dia to match with existing complete all as specified and directed.

S&F factory fabricated mild steel (hardened) helical wire spring of size 600mm long, 80mm dia to match with existing complete all as specified and directed.

S&F factory fabricated new guide of rolling shutter made out of 1.25mm thick mild steel sheet of grade Fe-310 or Fe-410 of required length to match the existing one and including one shop coat of red oxide primer complete all as specified and directed.

S&F factory fabricated side brackets made out of 1.25mm thick mild steel of grade Fe-410 or Fe-310-0 to match with existing including one shop coat of red oxide primer complete all as specified and as directed

S&F factory fabricated new mild steel slates of 1mm thick of grade Fe-410-0 or Fe-310-0 to match with existing fitted with locking clips, riveted to slates including one shop of red oxide primer complete all as specified and as directed

S&F factory fabricated mild steel of grade Fe-410-0 or Fe-310-0 2.5mm thick bottom lock plate riveted and made of mild steel sheet of 1mm and welded with and including provision of standard locking arrangement welded to and including mild steel angle iron complete to match with existing with and including one shop coat of red oxide primer complete all as specified and as directed

S&F rubber sponge gasket of 20mm thick and 40mm width fixed with and including approved adhesive complete all as specified and as directed.

S&F factory fabricated hood cover of mild steel 1mm thick hexagonal, square or circular shape fitted to existing angle iron stiffness at bottom edge and to bracket plate all as directed and applying one shop coat of red oxide primer complete all as specified and directed.

S&F in repair mild steel factory made bevel gear box with machine cut gears suitable for rolling shutters as fixed in repairs complete all as specified and as directed.

S&F in repair mild steel pressed beval handles 150mm long, oval type, enamelled black complete all as specified and as directed by Engr-in-Charge.

S&F mild steel safety lever lock with 4 levers for rolling shutters all as specified and as directed.

M&L for greasing and easing in position of mild steel rolling shutters of area .exc 20sqm and n.exc 50sqm each for full movement and for easy operation for shutters complete all as secified and as directed.

M&L for preparing new or previously untreated steel surface of any decription over 10cm in width or girth and applying 2 coats of aluminium paint over one coat of red oxide primer complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and as directed

M&L for 100mm thick PCC type D2 (1:4:8) using (40mm graded stone aggregate) as in sub floors, sub bases, floors & pavings etc complete all as specified and directed

M&L for PCC type B1 1:2:4 using (20mm graded stone aggregate) as in floor 40mm thick complete all as specified and directed

Forming contraction (Dummy) joints 40mm deep x 10mm wide filled with sealing compound Grade 'A' complete all as specified and as directed

Taking down carefully copper /aluminium point wiring (light, fan socket or power) through stove enamelled steel conduit/pvc conduits including complete fittings such as switches, ceiling roses, pendants, regulators, sockets,, switch sockets, electrical fittings etc removing and making good disturbed surfaces of walls/ceiling etc, all as specified and directed.

M&L for wiring for circuits/sub main wiring with FRLS PVC insulate sheathed 2 x 2.5 sqmm stranded copper conductor cable 1100 volts grade heavy duty drawn into steel conduit conduit with 1.5 sqmm PVC insulated green copper cable for continues earth ,steel pipe not less than 20 mm dia with all accessories complete all as specified and directed by engr in charge. Note :-considered for point wiring

Supply and fixing flame proof switch rotary type with termination box single phase one way 10 Amps 240V . Note:- Rates including frame for mounting of rotary switches complete all as specified and directed.

S&F double door MCB DB TPN made out of 18SWG CRCA steel sheets, Phosphates powder coated with copper bus bar, Earth stud, Din Rail, Polyamide Terminal Blocks for incoming and outgoing circuits, inbuilt loose wire box, Ground terminal blocks, duly pre-wired with thimble flame retardant copper conductors and poly layer for protection 415 volts 200 Amps rated bus bar 4 way double door open able, including taking out old unsv MCB DB any size/type complete all as specified and directed.

S&F 6 to 32 AMP MCB single pole 240 V 10 KA (C-Series) complete all as specified and directed

S&F RCBO four pole 415 volts AC 63 Amps (C-series) with sensitivity of 30MA with earth leakage,overload & short circuit protection complete all as specified and directed

Supply and fix flame proof LED wall glass hanging type 60w fitting of Sudhir switchgears or equivalent in shyam/baliga including hanging the lights with proper anchor bolts etc complete all as specified and directed. Note:- The rates includes taking down old light fitting and providing suitable necessary ladders /equipments for any height to taking down the items

S & F FLP FLEXIBLE metalic hose conduit 500 mm long for 19/20 mm dia fixed on directed place complete all as specified and directed. Make/Cat No: Sudhir FH/199 M20/3/4" Conduit MxM/FMxM/F x F 500mm or equivalent of Shyam swtich Gear/ bajaj

S&F vitreous china porcelain insulator with busbar support white type, complete all as specification and directed.

Taking down and refixing copper Earth continuity conductor or main earthing lead fixed to wall on batten with fixing arragement proper tightning as per directed including neccessary cutting chasings and making good the surfaces or buried in ground or drawn in conduit / pipe or fixed to poles or any other indication situation for loop earthing etc. with 32X6 mm Copper Strip complete all as specified and directed by Eng - in - Charge.

S & F copper Earth continuity conductor or main earthing lead fixed to wall on batten with fixing arragement proper tightning as per directed including neccessary cutting chasings and making good the surfaces or buried in ground or drawn in conduit / pipe or fixed to poles or any other indication situation for loop earthing etc. with 32 X 6mm Copper Strip complete all as specified and directed by Eng - in - Charge.

Supply & fixing in repairs/replacement air termination single pointed aluminium rod 12 mm dia and 300 m long with necessary fixing arrangement on blocks on roof, all as specified and directed.

S & F aluminium strip of size 25 x 3.15 mm fixed with suitable saddles & fixing screw etc on roof with rubber & bitumen washer & fixed to insulator on wall for down conductor as fixed in repairs, complete all as specified and directed.

M & L earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below the normal ground level connected with GI strip 32 x 6 mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50 m, with and including PCC chamber in PCC (1:2:4) , type B1, using (20 mm graded stone aggregate), mild steel angle iron frame made out of MS angle iron of size 40x40x6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20 mm dia medium grade pipe for watering ,40 mm dia light grade GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical plate No 3 of SSR Part-1(2009) connected to earthing test point all as specified and indicated including testing on completion.

-Ditto- all as per srl item No. 78 hereinbefore, but with copper earth electrode of size 60 cm x 60 cm x 3.15 mm thick & earth continunity lead of size 20 mm x 3 mm copper strip, complete all as specified and directed Note for item No. 78 & 79 :- (i) Copper strip upto 7.5 m included in the item rate and remaining length if so will paid under relevent item above. (ii) The earth chamber shall be constructed 50 cm away from the edge of earth pit & the cost of the same is deemed to be included in rate quoted for above items. (iii) The rates quoted for items are also deemed to be included for cost of new test point as specified.

M & L PCC (1:2:4) type BO, using (12.5 mm graded stone aggregate) of blocks size and IE rules including necessary use and waste of form work as in grounting of porcelain insulator complete all as specified and directed.

Supply and fix panel box of size 95cmx120cmx 25cm double door to accommodate DB made out of CRCA sheet complete with all accessories as directed and specified by Engr-in-charge. Note:- Rates includes taking down old DISTRIBUTION BOARD and accessories and refixing the same without any extra cost. NOTE:- Rates including making shed to protect panel box from water which is to be mounted on wall .

Dismantling and taking down existing ducting from DBM 12, 13 & 14 complete and keeping in safe custody until building works completion, complete with all accessories as specified and directed

Refixing the old ducting with required nut bolts and angle supporting and also repairing of damaged portion if required complete all as specified and directed.

M & L for repair of duct insulation ringe bounded fibre glass wool & ducting 24 Kg/cum with factory laminated aluminium vapour barrier thickness of insulation of 50 mm complete all accessories as specified and directed .

M/s S.D Construction Co

Mahadev Enterprises

INDIA ENGINEERS AND CONTRACTORS

SHELDON CONSTRUCTION

Modern Engineering Co