Public Works Department Tender

In Ordinary rock

Hard Rock (blasting prohibted)

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres: as directed by Engineer-in-charge.

In All kind of soil

Ordinary rock

hard rock

Filling available excavated earth (excluding rock) in trenches plinth, sides of foundation etc in layer not exceeding 20cm in depth consolidating each deposited layer by ramming and watering, lead upto 50cm and lead up to 50 m and lift upto 1.5 mtr.

Stone solling including cost of stone (on horizontal)

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement in position to the required line, level and curvature jointed with cement mortar 1:3 (1 cement: 3 coarse sand) including making joints with or without grooves (thickness of the joints except at sharp curve shall not to be more than 5mm) including making drainage opening wherever required complete etc. as per direction of Engineer-incharge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

Random Rubble masonry with hard stone in foundation and plinth including leveling up with cement concrete 1:6:12 (1 Cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level and curing complete with: Cement mortar 1:6 (1 Cement : 6 coarse sand)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and fixing factory made precast RCC perforated drain covers, having concrete of strength not less than M-25, of size 1000x450x50 mm reinforced with 8 mm dia four nos longitudinal and 9nos cross sectional T.M.T hoop bars, including providing 50 mm dia perforations @ 100 to 125 mm c/c, including providing edge binding with M.S flats of size 50mmx1.6mm complete all as per direction of Engineer-in-charge.

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15°, landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto five level including curing but excluding the cost of centring, shuttering, finishing and reinforcement with 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M-30 grade made by block making machine with strong vibratory compaction and of approved size and design/shape laid in required colour and pattern over and including 50mm thick compacted bed of fine sand, filling the joints with coarse sand etc. all complete as per direction of Engineer-in-charge.

Supply and installation of solar light of approved and certification by MNRE(GOI), with following conditions: 1) PV module- 75 Wp under STC. 2)Battery – Minimum 12 V , 30 AH capacity Lithium iron phosphate (LifePO4). 3) Light Source- White Light Emitting Diode (W-LED). 30-watt, W-LED luminaire, dispersed beam, soothing to eyes with the use of proper optics and diffuser. LED chip should be compliance to IES: LM-80 (Approved method of measuring Lumen Maintenance for LED light sources and LED lumen depreciation time to L70). Test report for the same should be submitte 4) Light Output- The luminaire must use high efficacy W-LED with minimum 150 lumens per watt (and UV free). [ A certificate to be submitted by the system supplier to the test lab during certification.] For single light level- minimum 15 Lux when measured at a point4 metres below the light. The illumination should be uniform without dark bands or abrupt variations and soothing to eye. Higher light output will be preferred. For multiple Light levels- The luminaire should have two levels of light to take care of different lightning needs during the night. Minimum 15 Lux when measured at a point 4 metres below the light ( at “ high illumination level”). The illumination should be uniform without dark bands or abrupt variations. Minimum 5 Lux at lower illumination levels. (Higher light output will be preferred). The luminaire shall be tested for Electrical, Photometry and Color parameters as per IES LM-79:2008 or IS: 16106:2012 for following Performance parameters like : a) Total luminous flux: =3000 lm. b) Luminous efficacy (i.e system efficacy): =150lm/W. c) Colour temperature : Between 5500 K to 6500 K. d) CRI =70. e) Luminous intensity distribution should follow the batwing patterns in polar curves. f) Require validation report using .ies file, which is generated during luminous intensity distribution test and using maintenance factor 0.9 and pole height of 4 m, road width 5m and pole span 15 m. The average illuminance level and uniformity should comply with requirements as per IS:1944, wherever applicable. 5) Mounting of Light: Pole height 5m above the ground level and 1 m below the ground. Luminaire shall be at least 4.5 m above the ground level. The diameter of pole should be 75-76 mm and the thickness 2-3 mm. 6)Electronics Efficiency- Overall total efficiency of the electronics should be Minimum 90%. 7) Duty Cycle- Dusk to Dawn: First 8 hours full light (Min 15 Lux), rest of the time at lower light ( 50%, Min 10 Lux) level. 8) Higher light output will be preferred) 9) Autonomy- 2 days or Minimum 12 operating hours per permissible discharge with fully charged LifePO4 battery. 10) Ingress Protection- POptical and control gear compartment- IP 65/ IP 66. 11) Impact Resistance of casing- = IK 08. 12) Working temperatures -25 degree C to 60 degree C.Including Carriage of Solar light complete set (including light pole, battery, solar panels, LED lights)

Supplying,fitting and fixing of Rcc percolating pit rings & cover of dia 900mm and height 300mm as approved by In-charge engineer.

Providing and laying R.C.C. pipes NP-4 class (Heavy duty) including collars/ spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement: 2 fine sand) including testing of joints, including earth work in excavation by mechanical/ manual means, including prepration of base with required quantity of Stone Soling and Cement Concrete of mix 1:4:8 grade (1 cement :4 coarse sand : 8 graded stone aggregate 20mm nominal size) including providing sand cussion, backfilling etc complete. including disposed off extra earth/ mulba lead upto 10 KM. depth of bottom of pipe be upto 1500mm from ground level including : Constructing solid block masonry circular manhole 1.52 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design : depth upto 0.91m. manhole spacing 8.00mts.including: Providing and fixing in position precast R.C.C. manhole cover and frame of required shape and approved quality. Circular shape 560mm internal diameter EHD - 35. (heavy Duty)

600mm dia R.C.C Pipe

Dumping of Earth By Mechanical Transport including loading, unloading and stacking upto 5 Kms

Centring and shuttermg including strutting, propping etc. and removal of form for Retaining walls, return walls, walls (any thickness) including attached pilasters buttresses, plinth and string course fillets, kerbs and steps etc.

RR wall

Drain wall

Drain slab

Internal Road

Construction of granular sub-base by providing close graded Material conformingto specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers ofspecified thickness with motor grader on prepared surface and compacting withvibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge With material conforming to Grade-III (size range 26.5 mm to 0.075 mm ) having CBR Value-20

Providing and laying laying of M.S Pipe 150mm dia for crossing at required spot including digging trench, re-filling at top and making the road trafficable includind cement concrete inlet 1:3:6(1cement:3 coarse sand: 6 graded crushed stone agg 20mm nominal size). including all carriage from available source to site of work

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in for all leads & lifts, laying in uniform layers with mechanical paverfinisher in sub- base / base course on well preparedsurface and compacting with vibratory roller of 8 to 10 tonne capacity to achievethe desired density, complete as per specifications and directions of Engineer-in-Charge

Prividing and Laying tack coat using hot straight run bitumen of grade 80 - 100 including heating the bitumen spraying the bitumen with mechnically operated spray unit fitted on bitumen boiler cleaning and preparing the existing road as per specification on 0.75 kg/ sqm including the cost of all involved material complete job .

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface and cleaning with mechanical broom on bituminous surface @ 0.25 Kg/sqm.

Providing and laying bituminous macadam using crushed stone aggregates of specified grading premixed with bituminous binder, transported to site by tippers, laid over a previously prepared surface with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling wit smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specificatons and directions of Engineer-in-Charge. 50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 3.50% (percentage by weight of total mix) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Providing and laying semi- dense Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. 25 mmcompacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and lime filler @ 2% (percentage by weight of Aggregate) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity.

Providing and applying 2.5mm thick road marking strips (retro-reflective) of specified shade/colour using hot thermoplastic material by fully/semiautomatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications.