Improvement of Thanesar Jhansa Road to G.T

Amount

Milling of existing damaged bitumen surface by cold milling machine upto any depth and hauling the milled material up to any lead and stacking at nearest recycling plant site. (HSR 17.43.2) Note: - The quantity of milled bituminous mix material shall be a recovery item as mention in BOQ item No. 10.

Removal of existing CC Block pavement including transporting and stacking usable block along road side and dispose unusable blocks outside PWD land or as desired by Engineer. (HSR 17.67).

Providing & laying Granular Sub-Base with Coarse Graded Material - Grading-I (Table:- 400-2) Construction of granular sub-base by providing coarse graded material, 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.of MORT&H specifications. Grading I material Note: - 1.Only crushed metal material should be used. No local earth sand shall be used. The material finer than 425 micron shall have zero Plasticity Index (PI). 2. Materials to be used and operations of manufacturing shall be approved by the engineer. (Based on HSR 17.15.1)

Relaying of available (removed and stacked)C.C. Block M-30 Size 450x300x150mm and spreading 25mm thick sand underneath filling joints with sand as per technical specification clause 1503. (HSR 17.68)

Providing and laying of cement concrete blocks of size 0.450 m x0.300 m x 0.15 m of cement concrete (C.C) M30 grade and spreading 25 mm thick sand underneath filling joints with sand on existing W.B.M./G.S.B base as per technical specification clause 1503 (HSR.17.66.1)

Providing and applying tack coat with penetration grade bitumen VG - 10 using bitumen pressure distributor @ 0.30 kg per sqm on the prepared bituminous/ granular surface cleaned with mechanical broom as per technical clause 503 of MORT&H specifications (HSR.17.26.2)

Providing and laying 30mm thick bituminous concrete with 100-120 TPH batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder VG -30 @ 5.4% per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor controlto the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction complete as per technical clause 507 of per MORTH specifications Note: - I If bitumen required more than 5.4% as per job mix formula no extra payment will be made, extra bitumen required will be considered as incidental to work. II - Before carrying out bituminous work, coating & stripping of bitumen aggregate mix is to be performed in accordance with IS – 6241. If coating and stripping of bitumen aggregate mix is less than 95%, anti-stripping agent will be used by contractor. The anti – stripping agent should conform to the requirement as stipulated in IS 14982:2017. The cost so incurred will be considered as incidental to work and nothing extra shall be payable. The type and brand of anti-stripping agent along with procedure shall be approved by SE-in-charge in writing before start of work. A proper record of results be maintained and same shall be submitted along with bills by the contractor. III - Where there is only BC on existing black top, cracks shall be sealed as MoRT&H specification 5th revision clause No. 3004.3, which may consists of (i) Fog seal/ or (ii) crack filling and or (iii) patch work repair as required at site in accordance with clause No. 3004.3.2, 3004.3.3 and 3004.2 of MoRT&H specification 5th revision respectively. Proper measurement and consumption shall be entered in MB for cracks sealed but no payment on this account shall be made as crack filling is incidental to work. (HSR.17.31.2)

Construction of embankment (on berms) 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 table 300-2 as per technical clause 305 of MORT&H specifications (HSR.17.7)

Providing & Marking center line / side line 2.5mm thick (minimum) 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. Note: - Before start of work the contractor shall give brand, batch number, manufacturing date of the material to be used along with a photocopy of bill duly signed by the contractor and get approved the same from Engineer-In-Charge before use. (Based on HSR.34.26)

Recovery items: The rates quoted against recovery items will not be included in the total amount rather it will be deducted while calculating financial statement of the agency. Material obtained from dismantling of existing bituminous layer have been calculated taking assumption that 80% of theoretical material will be retrieved. The dismantled material can used in any of the item for the work after modification (bringing it to required specifications) after approval from employer. In case it is not possible to use this material on the work, the agency can take away this material. This material can be taken away by the agency at the price quoted by the agency but minimum price to be quoted is limited to reserve price as fixed and mentioned as under :- Bituminous mix material @ Rs. 1365.00/- P.Cum.

Balbir Singh Contractor