PROVISION OF CAR PARKING SHED IN JCOs ACCN AT DRDO TOWNSHIP PHASE I CV RAMAN NAGAR BANGALORE

Amount

Earth work in Surface excavation in all kind of soil not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engr-in-Charge.

Excavating holes all kind of soil more than 0.10 cum & upto 0.5 cum including getting out the excavated soil, then returning the soil as required in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering etc, disposing of surplus excavated soil, as directed within a lead of 50 m and lift upto 1.5 m, complete all as specified and directed by Engineering-in-Charge.

Providing and laying in position cement concrete1:3:6 (1 Cement : 3 manufactured sand derived from Recycled Concrete Aggregate (RCA) : 6 graded stone aggregate 20 mm nominal size Recycled Concrete Aggregate (RCA) ), complete all as specified and directed by Engineering-in-Charge.

Steel work in built up tubular (round, square or rectangular hollow tubesetc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etcHot finished welded type tubes complete all as specified and directed by Engineering-in-Charge

Structural steel work riveted, bolted or welded in built up section, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete all as specified and directed by Engineering-in-Charge

Structural steel work in single section, fixed with or without connecting plate, including cutting,hoisting,fixing in position ad applying a priming coat of approved steel primer all complete all as specified and directed by Engineering-in-Charge

M&L broken stone or boulders Hardcore of gauge n exc 63mm, deposited, spread and levelled in layers n exc, 15 cm thick water and rammed to a true surface, complete all as specified and directed by Engineering-in-Charge

Providing and laying in position cement concrete 1:4:8 (1 Cement : 4 coarse sand sand (zone-III) including manufactured sand derived from Recycled Concrete Aggregate (RCA) upto 25% : 8 graded stone aggregate 40mm nominal size derived from natural sources including Recycled Concrete Aggregate (RCA) upto 25%), complete all as specified and directed by Engineering-in-Charge.

Providing and laying 60 mm thick C.C paver block of M-35 grade with approved colour design and pattern factory made chamfered edge cement concrete paver block in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size / shape made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compaced bed of sand compacting and proper embedding / laying of inter locking paver block onto the sand bedding layer hrough vibrator compaction by using plate vibrator, filling joints with sand and cutting of paver block as per required size and pattern finishing and sweeping extra sand, complete all as per direction of Engineering-in-Charge.

Providing and fixing at all hights, levels and locations colour finish Aluminium alloy roofing sheets of alloys IS designation 31500 temper Hx8 conforming to IS 737 and dimensions as per IS code 2676 with characterisics of good formability and corrosion resistance. The profile sheets shall be fixed to truss members in slope or required pitcch or curvature with Hex cap headed self drilling/tapping stainless steel screws M6, 50 mmlong with 3 mm EPDM seal washer etc all inclusive of labour , scaffoldintg T&P and sundries etc complete all per directions of Engineering -In- Charge. (Costof truss/frame work shall be paid separately.) 0.56 mm thick Aluminium colour coated troughed profile with centre to centre pitch 175 mm,depth of 46mm, top crest width of 41 mm, bottom valley width of 80mm overall profile width 1144mm cover width 1050 mm, complete all as specified and directed by Engineering-in-Charge

Painting with synthetic enamel paint Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture of required colour to give an even shade, complete all as specified and directed by Engineering-in-Charge

Providing and fixing at or near ground level precast cement concrete in kerbs, edgings etc. as per approved pattern and setting in position with cement mortar 1:3 (1 Cement : 3 coarse sand), including the cost of required centering, shuttering complete, in 1:1.5:3 (1 Cement: 1.5 coarse sand (zone-III) including manufactured sand derived from Recycled Concrete Aggregate (RCA) upto 25% : 3 graded stone aggregate 20mm nominal size including Recycled Concrete Aggregate (RCA) upto 25%), complete all as specified and directed by Engineering-in-Charge.

Material and labour for point wiring for one light point with 1.5 sqmm single core, PVC insulated, unsheathed, multistranded copper conductor cable, FRLS type, 1100 volts grade conforming to IS-694 drawn through in and including non-metallic rigid PVC conduit 20mm dia medium grade and conduit accessories including GI Modular boxes covered with modular white cover plate and frames of required size and providing modular switch 6 Amps 230 Volts fixed with cadmium plated iron screws and including 1.5 sqmm PVC insulated, single core, unsheathed, multistranded copped conductor cable, FRLS type, 1100 votls grade as earth contuinity conductor and connecting to common earth dolly complete all as specified and directed by Engr-in-charge.

Supply and fixing (concealed flush to wall or surface mounted) factory made DB (made out of CRCA sheet not less than 1.2mm thick, fitted with DIN channel neutral link annd 200Amp rated bus bar) SPN 4 way 240V, suitable for mounting MCB/isolator etc, conforming to IS 13032 DB shall be sem glosy finished with epoxy polyster based powder coated paint sprayed and backed at high temperature between powder paint process to ensure smooth finish and protection against corrosion atmosphere. The DB shall be double door type with hinged door with locking arrangement, the DB shall be same make as MCBs DB shall be provided with level marking indicating the incoming and outgoing circuits on always as specified. The DB shall be of IP-43 protection class, and including making good disturbed surfaces of walls as necessaty complete all as specified and directed by Engineer-in-charge. Note : MCB/Isolator etc shall be measured and paid separately under appropriate item of BOQ.

Supply and fixing , connecting and testing MCB SPN, 'C' Curve 230 Volts, 10 kA of capacity 6 to 32 Amps, 50 Hz complete all as specified and directed by Engineer-in-charge.

Supply and fixing , connecting and testing MCB SP, 'C' Curve 230 Volts, 10 kA of capacity 6 to 32 Amps, 50 Hz complete all as specified and directed by Engineer-in-charge.

Material and Labour for maintenance free grounding solution set earthing comprising rod, outer pipe in GI and having minimum diameter of 76mm, 3metre in length and inner pipe to have minimum diameter of 50mm both end properly welded to make airtight. GI terminal size hal lbe of 100mm x 50mm x 6mm with two numbers of m8 holes for termination; area in between two pipes shall be filled with dry type chemical powder having high conductivity and make sure that no air pockets are left; electrode shall be tested for short circuit test of miniumu 40kA at CPRI/NABL approved lab; the earthing electrode shall be placed in the ground after a bore is drilled to a depth of 3.5metre in any type of strata; using pneumatice boring machine, 50kg BFC shall be placed in the bore to cover the earhing rod from all sides; BFC shall be poured in slurry form in properly mixed condition, the earthing pit cover top 7inches and 10inches bottom and length 10inches shall be provided to cover the earth pit and shall be made of heavy duty polythene and it shall be capable of carrying weight of 5tonne, complete all as specified and directed. MAKE:- Columbo Electrical - Tirumala / U-Protect / JEF Technology NOTE:- (a) Pneumatic boring upto 3.5metre in any strata, GI wire 4 sq.mm, GI Tubing for protection, 20 dia light grade upto 7.5 metre from earth electrode shall deemed to be included in the rate quoted by the contractor. (b) On testing after completion, if the earth resistance is less than 1Ω (one Ohm) is not obtained, earthing shall be rejuvenated with out any extra cost to department and shall be repeated upto the desired earth resistance is obtained. (c) Test certificate from the OEM shall be produced by the contractor for the material used in the earthing and also test report for earth resistance shall be submitted to Engineer-in-Charge.

Supply and fixing LED tube light fitting with extruded in aluminium housing 1 x 20 watt, appx 4 feet long, with decorative box linear, housing environment friendly, including electric connection with using 2 core flexible copper conductor cable 23/0.0076 from ceiling rose to tube light fitting, complete fitting with all accessories and following specifications, complete all as specified and directed by Engineer-in-charge:- (a) Lumen system efficacy of luminaire should be minimum 120 Lumen per watt. (b) Input voltage range : 140 to 270 v. (c) Temp operating range : minus 5oC to plus 45oC. (d) Power factor : minimum 0.95. (e) THD : current THD max 10% and voltage THD max 5%. (f) IP rating : IP-20 (g) LED driver of the same make as of the luminaire. (h) LED driver should be complete with all protection viz open/short circuit protection, over voltage protection, all as standard design of manufacturer (j) Surge protection minimum 2.5 Kv. (k) CCT: Minimum 6500k. (l) CRI : grater than 90. (m) Rated life time : 50000 burning hrs @L70 (average 10 to 12 hrs daily).

Material and Labour for ceiling rose 3 terminals 240V completed all as specified and directed by Engineer-in-charge

Supply and fixing LT XLPE Cable insulated screened PVC bedded galvanised steel strip armoured electric power cable (heavy duty) with stranded Aluminium conductors 1100 volts grade of cross sectional area 6 sq mm 4 core conforming to IS with latest amendments complete all as specified and directed by Engineering-in-Charge.

Excavation in trenches not exc. 1.5 m wide not exc. 1.5 m in depth; for laying of cables not exc. 10 Sqm on plan and getting out, trimming sides, forming bottom surface to requiredl evel complete in hard/dense soil all as specified and as directed by Engineering-in-Charge

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc. 25cm thick as in soils all as specified and as directed by Engineering-in-Charge

Removing of excavated soil to a distance not exc. 50m and depositing where directed at a level n.exc 1.5m above starting point all as specified and as directed by Engineering-in-Charge

Supply and laying of HDPE DWC pipe 40 mm outer dia and 32 mm inner dia (double wall corrugated pipe for laying of underground cable with smooth innder face anc corrugated outer surface, srtiffness classe-SN4, IS 16098:2013, IEC 61386, pressure rating SN8, anti rodency, non flame propagation, permanently lubricated inner layer complete all as specified and directed by Engr-in-charge

PCC 1:4:8 type D2 ( using 40mm graded stone aggregate) for foundation of pole / stay including form work etc.

Supply and laying GI tubing medium grade 40 mm bore for cable protection fixed on wall/pole/laid in trenches complete all as specified and as directed

MSA Constructions (BID ID -3481309)

Lucky Enterprises (BID ID -3481561)

VIJAY ENTERPRISES (BID ID -3481146)

MAA ENGINEERING SERVICERS (BID ID -3479245)

Ashraya Nirman (BID ID -3481509)

K. VENKATESH NAIDU (BID ID -3481477)

Sathya Sri Construction (BID ID -3481654)

M/s Sri Chakrapani Constructions (BID ID -3481039)

J PUSHPALATHA ENGINEER AND CONTRACTOR (BID ID -3481694)