Retaining Wall at km 32.050 to 32.110 on NH-15 (Construction of Gabion Wall from Ch 32.050 to 32.105 km And Construction of Box Culvert at 34th km on NH-15 under Annual Plan 2021-22 (Job No - 15/AS/2021/22/220

Amount

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.) Ordinary 'Manual Means (Depth upto 3 m)( With dewatering ) Quantity as per drawing Quantity=(55.00 x 5.60 x 2.00)=616.00 Cum

Gabian Structure for Erosion Control, River Training Works and Protection works (Providing and constructing gabain structures for erosion control, river training works and protection works with wire crates of size 2 m x 1 m x 0.3 m each divided into 1m compartments by cross netting, made from 4 mm galvanised steel wire@ 32Kgs per 10Sqm having minimum tensil strength of 300Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into meshes with double twist, mesh size not exceeding to 100mmX100mm , firred with boulders at least dimension of 200mm , all loose ends to be tied with 4mm galvenized steel wire.) Quantity as per drawing Quantity=5.6x55x3+4.4x55x1+3.2x55x1+2x55x1=1452.00 Cum

For RCC box culvert

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.) 'Manual Means (Depth upto 3 m)( With dewatering )Ordinary soil

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork Without plasticiser RCC Grade M25 Height upto 5m Using concrete Mixer

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork PCC Grade M20 Height upto 5m

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications as per APWD SOR Sl no. 13.6(B) Quantity As per Standard drawing for box cell Drw No-SD/108(Sheet 2 of 5) (b)Other make ISI approved TMT reinforcement bar of Fe-415 N/mm2

Providing weep holes in brick masonry/plain/reinforced concrete abutment, wing wall/return wall with 100mm dia AC pipe, extending through the full width of the structure with slope of 1V:20Htowards drawing force . Complete as per drawing and technical specifications.

Construction of Precast railing of M30 grade, aggregates size not exceeding 12mm, true to line & grade, tolerence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000mm, leaving adequate space between vertical post for expansion, complete as per approved drawings & technical specifications

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and technical specification b) With TATA make TMT grade rebar With other ISI marked TMT grade rebar

Providing and laying Bituminous wearing course comprising of tack coat with bitumen emulsion CSS-1h as per APWD SOR item no 5.2 & MOSRT&H Specification Nos 503, 6mm thick mastic asphalt as per APWD SOR item no 14.5 & MOSRT&H Specification Nos 515 & 2702 and 2 layers of 25 mm thick Asphalt concrete including of close Graded Premix Surfacing(CGPS) materials with Type -a aggregate as per APWD SOR tem no 5.11 & MOSRT&H Specification Nos 512 including all lead and lift as directed

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification (A)Granular material

Painting on concrete surface (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 Sq.m. )

GranularSub-Base with Coarse Graded Material (Table 400-2) Construction of Granular Sub Base (GSB) by providing coarse graded materials,spreading in uniform layers with motor grader on prepared surface,mixing by mix in place method with rotavator at OMC,and compacting with vibratory roller to achieve the desired density,complete as per clause 401 (with an initial lead of 5km) (i)For grading I material-II Quantity=(2 x 15 x 11 x 0.25)=82.5 Cum

Wet Mix Mecadam(WMM) Providing laying spreading and compacting graded stone aggregate to wet mix mecadam (WMM) specification including premixing the materials with water at OMC in mechanical mix plant camage of mixed materials by tipper to site ,laying in uniform (including carriage up to 10 km initial lead from mixing plant) Quantity=(2 x 15 x 11 x0 .2)=66.00 Cum

Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix and filler transporting the hot miox to work site,laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no. 507. complete in all respect. ( including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) With hydrated lime/cement as filler ( refer table 500-9 of MoSRT&H specification) (II)'with Polymer modified bitumen 70 for Grading I ( 40 mm nominal size ) Quantity=(2 x 15 x 10 x 0.06)=18 Cum

Prime Coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means (Including cost of testing of material at site and laboratory as directed by the deptt.) (ii) with Bitumen emulsion- CSS-1(IS-8887-2004) Rate as per SOR 2020-21 Qnty=(2 X 15 X 10 )=300 Sqm

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.) (I)With Bitumen emulsion CSS-1h (a) Normal bituminous surface Rate as per SOR 2020-21 Qnty=(4 X 15 X 10 )=600 Sqm

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.509. complete in all respect. ( including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) C. With hydrated lime / cement as filler ( refer table 500-9 of MoSRT&H specification) & anti stripping agent as per IS:14982( Refer Appendix-5 of MoSRT&H specification) II/(ii)'for Grading-II(13 mm nominal size) Quantity=(2 x 20 x 10 x 0.04)=16 Cum

DILIP KR SARMA

RANA CONSTRUCTION AND ENGINEERS PVT LTD

Rajib Koch