Special Repair (SR) for damaged stretch b/w km 0.00 to km 37.400 (Pardi - Kaparada Road Section) of length 37.4 km on NH 848 in Valsad District in the State of Gujarat.

Road Damage Repair Work

Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness.) (i) By Manual Means; A. In area of light jungle

Providing & laying 37.5 mm thick compacted built up spray grout base course in single layer with bitumen grade 60/70 at rate of 15 Kg. per 10 Sqmt with 0.50 Cum stone aggregate per 10 Sqmt. of road surface and using 0.13 Cum of key aggregate per 10 Sqmt including consolidation with vibratory roller and tack coat using asphalt 80/100 at rate of 4.00 Kg/10 Sqmt etc. complete including the cost of asphalt and stone aggregate etc. complete.

Providing, laying and compacting Dense Graded Bituminous Macadam complete as per technical Specification Clause no. 505 including tack coat as per Technical Specifications Clause no.503 using VG 40 grade bitumen) [For Grade-II, [email protected]% rate]

Providing, laying and compacting Bituminous Concrete as per technical Specification Clause no. 507 including tack coat as per Technical Specifications Clause no. 503 using VG 40 grade bitumen) [For Grade-II, [email protected]% rate]

Box cutting the road surface to proper slope and camber for making a base for road work including removing the excavated stuff and depositing on the road side slope as directed upto 50Mt.lead.

Dry Lean Cement Concrete Sub- base (Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.)

Cement Concrete Pavement (Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing )

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Providing,Unloading, Placing U Shape " Factory made"drain with lid including Bed preparation with 150 mm thick levelling cement mortar 1:3 (1 Cement : 3 Sand) including Jointing work of drain and lid, precast RCC Self Compacting High performance Concrete grade storm water U Shape drain with Lid having internal size 300 mmx 300 mm with lifiting MS insert plate of 100 mm x 300 mm x 8 mm thick on one side of Drain wall as per drawing and details. The drain shall have wall thickness of 100 mm that can take a Heavy vehicle load with 5 T Point load, steam cured, Fe 500 TMT steel as reinforcement as per details and with a smooth surface as per instruction of Engineer-in-charge including transportation.

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 and backfilling with approved material.) Ordinary soil (Manual Means) upto 3 m depth

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M15 With Batching Plant, Transit Mixer and Concrete Pump

RCC Pipe NP 4 heavy duty non presure pipe 300 mm dia

Excavation in Hard Rock (controlled blasting) with disposal upto 1000 metres (EExcavation for roadway in hard rock (requiring blasting) by drilling, blasting and breaking, trimming of bottom and side slopes in accordance with requirements of lines, grades and cross sections, loading and disposal of cut road with in all lifts and leads upto 1000 metres ).

Hill Side Drain Clearance (Removal of earth from the choked hill side drain and disposing it on the valley side manually).

Chipping & removing loose concrete cover etc. upto the steel rebar for beams, slabs columns by chisel and hammer including scaffolding the place etc. and cleaning away the debris as directed.

Cleaning the scales of existing corroded reinforcement with wire brush etc. to remove rust/scales etc. of existing Columns/ beams/ Slabs and treating the exposed steel bars of Bi-Polar-Migratory concrete inhibitor (EPCO-KP-100) by spray over the concrete surface at coverage of 4.0 Sqmt/ Litre to be followed by rinsing the coated surface of residule material by clean water

Applying Epoxy mortar over leached honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technica l Specifications Clause 2804 and as per approval of the Engineer.

Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification with wire mesh 50mm X 50mm X 3mm wire or size as directed etc.complete.

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy

Sealing of cracks/porous concrete by injection process through nipples/Grouting complete as per Technical specification. (A) Cement Grout

Road Furniture Work

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811)

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.)

Supply & fixing cats eye (Stimsonite) made out Acrilo beautile sterine injuction high compressed molding with reflector made of MMC prismatic type size 12cms. x 6cms x 2.5cms. Provided with bituminous adhesive 100gms with each unit for fixing.

Reinforced Cement Concrete Crash Barrier (M-30 Grade Concrete) Provision of an Reinforced cement concrete new jersey crash barrier at the medians, constructed with Reinforced cement concrete with HYSD reinforcement conforming to confirming MoRT&H specifications and as per details given IRC:119 (Fig.26) including dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board etc., as per approved drawing and at locations directed by the Engineer, all as specified. (Area-0.243 Sqm./Meter, Single Face)