IMPROVEMENT TO THE ROAD STARTS FROM NH 04 TO CHITRANAGRI TO JOINING ODR 74 ROAD VR 49 KM CH 0/0 TO 2/300 TAL KARVEER DIST KOLHAPUR

Excavation for roadway in earth, soil of all sorts, sand, gravel or soft murum including dressing section to the required grade, camber and side slopes and conveying the excavated materials with all lifts upto a lead of 50 metre and spreading for embankment or stacking as directed. By Mechanical Means. Item / Page No : 11 / 23 Specification No : MORTH-301 Spec. Page No : 45-53

Watering and compacting of embankment formed of materials obtained from the road cutting, within a lead of 50 metre to not less than 97 percent of Standard Proctor density after laying them in layers of 20 centimetre to 30 centimetre. With vibratory roller Item / Page No : 23 / 24 Specification No : MORTH-305 Spec. Page No : 63-77

Construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at optimum moisture content, carraige of mixed material to work site, spreading in uniform layers with motor grader/ Paver on prepared surface and compacting with vibratory roller to achieve the desired density, complete as per clause 401. - Plant Mix Method and grading - I material. Item / Page No : 1 / 26 Specification No : MORTH-301, 305, 401, 902, 112 Spec. Page No : 45-53, 63-77, 109-111, 417-421, 19-21

Construction of dry lean cement concrete sub-base over a prepared sub-grade with coarse and fine aggregate (V.S.I. grade finely washed crushed sand) conforming to Indian Standard : 383, the size of coarse aggregate not exceeding 25 milimetre, cement content not to be less than 150 kilogram per cubic metre, 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 / weigh batch mixer, transported to site with all leads and lifts, laid with a paver with electronic sensor / by suitable means as approved by Engineer in-charge, compacting with vibratory roller, finishing, curing and including preparation of sub-grade surface if required, excetra complete. Item / Page No : 13 / 37 Specification No : MORT&H-601 Spec. Page No : --- Additional Specifications : If artificial / VSI crushed sand is used instead of natural sand; terms, conditions and specifications mentioned in Circular by Chief Engineer, Public Works Region, Pune bearing No CEP/D-2/Buildings-2/5940/2017 dated 17/10/2017 and Annexure-I attached to it and also Circular by Chief Engineer, Public Works Region, Nagpur bearing No 36 dated 15/01/2019 and Annexure-I attached to it will be appicable.

Providing and laying in situ M-30 grade unreinforced plain cement concrete pavement over a prepared sub base with 43 grade cement, coarse and fine aggregate (V.S.I. grade finely washed crushed sand) conforming to Indian Standard : 383, using fine and coarse aggregates combined gradation as per Table 600-3 of Ministry of Road Transport and Highways specification 2013, mixed in a batching and mixing plant / non tilting mixer and weigh batcher as per approved mix design, admixtures, transporting to site, spreading, laying with approved make paver, compacted and finished in a continuous operation, finishing to lines and grades as directed by Engineer in-charge and curing by curing compound / by providing cement vata in cement mortar 1:8 at 0.6 metre X 0.6 metre center to centre, admeasuring 80 milimetre at bottom and 40 milimetre at top with depth of 75 milimetre and maintaining the same throughout curing period or by any other method approved by Engineer in-charge. Item / Page No : 1 / 34 Specification No : MoRTH 602 Spec. Page No : 263 Additional Specifications : 1. With additional specification for controlled concrete. 2. If artificial / VSI crushed sand is used instead of natural sand; terms, conditions and specifications mentioned in Circular by Chief Engineer, Public Works Region, Pune bearing No CEP/D-2/Buildings-2/5940/2017 dated 17/10/2017 and Annexure-I attached to it and also Circular by Chief Engineer, Public Works Region, Nagpur bearing No 36 dated 15/01/2019 and Annexure-I attached to it will be appicable.

Providing and fixing in position thermo mechanically treated FE 500, 25 milimetre diameter dowel bars precoated with anticorrosive epoxy paint, of required dia, 60 centimetre long and at 30.00 centimetre center to center and wherever directed including handling, straightening, necessary cutting, supported by thermo mechanically treated FE 500 chairs with proper alignment by using properly designed assembly of bulkheads, lubricating half length with bituminous paint as directed, excetra complete. Item / Page No : 15 / 37 Specification No : MoRTH 602 Spec. Page No : ---

Providing and fixing in position thermo mechanically treated FE 500, tie bars precoated with anticorrosive epoxy paint, of 12 milimetre diameter 70 centimetre long and at 30.00 centimetre center to center and wherever directed including handling, straightening, wrapping with paper of approved quality for half length, necessary cutting, handling, supported by assembly of thermo mechanically treated FE 500 chairs with proper alignment, excetra complete. Item / Page No : 16 / 37 Specification No : MoRTH 602 Spec. Page No : ---

Cutting transverse contraction joints 3 milimetre to 4 milimetre wide and depth 60 milimetre in concrete slab using concrete cutting machine with diamond studded saw within 48 hours of casting of bay / slab, excetra complete including subsequent widening of the groove 8 milimetre to 10 milimetre wide at top having depth of 15 milimetre as directed by Engineer in-charge. Item / Page No : 17 / 37 Specification No : MoRTH 602 Spec. Page No : ---

Providing to contraction joints polysuphide sealent (pouring grade) confirming to British Standard : 5212-1989 into sawed groove widened at top for sealent reservoir of specified size and shape as per detailed drawing including fixing polyethylene foam backer rod of required diameter (appraoximately 25 percemt larger than the initial 3 milimetre to 4 milimetre joint) overlaid with bond breaking tape as per detailed drawing. Item includes cleaning the joints with water jet / air compressor and allowing joint to become thoroughly dry before sealent is applied and applying primer. - Contraction and longitudinal joints 15 milimetre deep X 8 milimetre wide. Item / Page No : 18 / 37 Specification No : MoRTH 602 Spec. Page No : ---

Providing and laying 125 micron low density polyethylene sheet confirming to Indian Standard : 3395 - 1997 below concrete pavement including all materials and labour complete. Item / Page No : 19 / 37 Specification No : MoRTH 605 Spec. Page No : ---