Upgradation by BM/SDBC in Rudraprayag-Pokhari-Gopeshwar M/R in km 36 to 42 under one time maintenance

Amount

PROTECTION WORK

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 excavation earth to the extent required and utilising the remaining earth locally for road work. Ordinary soil Manual Means (Depth upto 3 m)

Random Rubble stone masonry for structure laid dry by locally available approved stone, including supply of all materials, labour, T&P etc required for proper completion of work as per drawing & other similar structures as directed by Engineer-in-Charge.

Hand Packed stone filling in back of walls including cost of all materials, royalty, T&P etc. complete as per direction of Engineer-in-charge. (As per PWD Uttarakhand specifications)

CAUSEWAY REPAIR WORK

Dismantling of Cement Concrete Pavement (Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately)

Cement Concrete (PCC M-30) Pavement:-Construction of Un-reinforced, Cement concrete pavement, thickness as per design,over a prepeared sub base with 43 grade cement or any other type PCC Grade M-30, coarse and fine aggregates conforming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less then 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (Steel channel, laying and fixing of wedges, steel plates including levelling the formwork, as per drawing), spreading the concrete with shovels, rakes, compacted using needle, and plate vibrators, finished in continuous operation and curing of concrete slabs for 14 days, using curing compound where specified and water finishing to lines and grade as per drawings and technical specifications.

WBM Grading 3 (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.) By Mechanical Means: Grading-III (Using Screening Crushable type such as Moorum or Gravel)

Prime coat (Providing and applying prime coat with bitumen emulsion (SS-1) on prepared surface ofgranular Base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means.)

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification

Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction) for Grading I ( 40 mm nominal size )using Bitumen VG-10

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Semi - Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete 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 @ 4.5 to 5 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 508 complete in all respects) for Grading I ( 13 mm nominal size ) using Bitumen VG-10

SCUPPER

Excavation in foundation for retaining & breast walls in all types of soils and rock including lead, lift and disposal of surplus material as per direction of engineer - in - charge.

Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109

Random Rubble Stone Masonry laid in 1:5 cement and sand mortar, in breast walls, retaining walls, parapets, scuppers, etc. including supply of all material, labour, T&P and royaltiies etc.(As per PWD Uttarakhand specifications)

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 120 R.C.C M 25

Supplying, fitting, and placing HYSD bar reinforcement in sub- structure complete tonne as per drawing and technical specifications Clauses 1002, 1010 and 1202. (The reinforcement steel shall be procured from original (primary) steel producers as per clause no. 2011.3.1 of MORD specifications (First Revision'2014) and IS 1786:2008 clause no. 1.6)

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 120 R.C.C M 25

Random Rubble Masonary laid dry in breast wall,retaining wall, ets,scupper etc. Including supply of all ials, labour, t & p& royality etc,required for proper complition of work.(As per PWD Uttarakhand specifications)

H.P stone filling in back of wallls including cost of all materials royality.t&p etc. complete.

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and tech. specification PCC. grade M 20.

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Construction of Parapet as per standard drawing attached 2.00 Mtr. long, including supply of all material, labour, T&P etc. required for proper completion of the work as per direction of engineer-in-charge.

Surface Drains in Soil Construction of unlined surface drains of average cross-sectional area 0.18 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m

Retro-reflectorised Traffic Signs Providing and fixing of retro -reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801

900 mm equilateral triangle

600 mm circular

600 mm x 450 mm rectangular (chevrons)

900 mm high octagon

Hazard Marker AFP (Aluminum-backed flexible prismatic sheeting) Hazard Marker:Providing and fixing Aluminum-backed flexible prismatic sheetingconsisting of Yellow colored flexible prismatic sheeting with non-metallicprismatic lens as retro reflective elements and conforming to ASTM D 4956-09 Type VI specification values for reboundable sheeting. AFPsheeting shall be of 1ft width and laminated at the back with a 50 micronthick Aluminum (Al) foil with pressure sensitive adhesive and liner. AFPsheeting shall have screen printed arrow/slant line pattern in black color ontop & shall not crack when tested for flexibility as per section S2.2.2 ofASTM D 4956-09. The AFP sheeting shall be applied with a neoprenecontact adhesive with Polychloroprene as base & the edges of the product shall be sealed all around with a two-part epoxy based structural adhesiveand shall be extremely resistant to peel-off & product specification shall confirm to IRC Accreditation.

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.)

Maintenance of Earthen Shoulder Construction of Embankment with Material Obtained from Roadway Cutting Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of Tables 300.1 and 300.2 as per Technical Specification Clause 301.5