CRR 2024-25

Bridge Portion Vibrated reinforced cement concrete M 25 grade using 20mm & 10mm HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate(Natural sand 50%+Manufactured sand(Rock Sand)50% ) conforming to table 1000-2) including cost, (excluding seigniorage) conveyance of all materials to site and labour charges, centering, machine mixing, laying, vibrating, curing etc., including other incidental hire and operational charges of all T&P as per approved drawings and as directed during execution but excluding cost of steel and its fabrication charges for finished item as per MoRT&H specification 1500,1600,1700 & 2200 (5th revision ) and as directed by the Engineer-in-Charge For Deck Slab

Supplying, fitting and placing of HYSD bars Fe-500 ( From Primary producers ,Like TATA,SAIL,VSP, JWS & Shyam steel Etc.,) of different diameters, wrought and put up bars of all diameters including cost and conveyance of steel to site and all labour charges for fabrication of reinforcement including cutting, bending, binding rods, tying grills, placing them in position etc., complete including cost and conveyance of binding wire and all handling charges and operational charges etc., and including over lapping welding if required etc., complete for all R.C.C items for finished item of work as per standard drawings, as per the directions of the Engineer-in-Charge and as per MoRT&H specification 1600 & 2200 (5th revision) in super structure.

Vibrated cement concrete M 30 grade using 20mm & 10mm HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate(Natural sand 50%+Manufactured sand(Rock Sand)50% ) conforming to table 1000-2) including cost, (excluding seigniorage) conveyance of all materials to site and labour charges, centering, machine mixing, laying, vibrating, curing etc., including other incidental hire and operational charges of all T&P as per approved drawings and as directed during execution but excluding cost of steel and its fabrication charges for finished item as per SBD specification 1500, 1600, 1700 & 2702 as directed by the Engineer-in-Charge for Wearing Coat.

Construction of RCC railing of M 25 grade , aggregate size not exceeding 12 mm, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to center spacing between vertical post not to exceed 2000 mm , leaving adequate space between vertiacal post for expansion, complete as per approved drawings and Technical Specifications as per MoRTH spn nos.2703,1500,1600,&1700 excluding cost of steel and its fabrication charges

Providing and laying of a strip seal expansion joint to maximum horizontal movement upto 70 mm, including cost, conveyance of all materials to site and labour charges for cutting, fixing & painting exposed surfaces of MS angles with anti corrosive paints etc., complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or authorised representative ensuring compliance to the manufacturer/supplier or authorised representative ensuring compliance to hte manufacturer's instructions for installation and as directed by the Engineer-in-charge.

Drainage spouts complete as per drawing and technical specifications Clause 1209 MORD & 2705 MORTH

APPROACHES Forming Embankment with material obtained from borrowed useful earth from outside road boundary by mechanical means upto SDR with all leads and lifts including pre-watering of soil at borrow area, removal of top soil, excavation of soils at borrowed area, conveyance of soil, depositing the soil on the embankment, spreading soil, breaking clods, sectioning, grading and consolidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of table 300-2 of MoRT&H, including all hire and operational charges of T&P, complete for finished item of work as per MoRT&H specification 305 (5th revision). (The soil CBR>10%, PI<18% & MDD>1.8 g/cc) ( with a lead of 1 Km )

Construction of Granular sub-base by providing HBG material confirming to Grading - VI of MoRT&H (Table 400-1 & 400-2) including cost, and conveyance of all materials to work site and spreading in uniform layers with motor grader or by approved means, on prepared surface mixing by mix-in-place method with rotavator / approved means at OMC and compacting with vibratory roller to achieve CBR value minimum of 30% at 98% of dry density and PI value maximum 6, complete for finished item of work as per MoRT&H Specification 401 (5th revision) including contractors profit & Over head charges excluding Seignarage charges etc

Construction of dowel jointed un-reinforced, expansion and construction joint plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M30 (Grade), coarse and fine aggregates (Natural sand 50%+Manufactured sand(Rock Sand)50% ) conforming to IS : 383, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with sholvels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion and construction joints, applying primer, sealant, admixtures as approved, curing of concrete slabs for 14- days, curing compound (where specified) and water finishing to lines and grade as per drawing and Technical Specification Clause 1501 MORD including overhead charges & Contractors profit excluding Seignarage charges etc complete.

Construction of earthen shoulders with selective soils obtained from borrow pits with MDD of 18 KN/Cum , CBR ≥ 12%, PI < 12% from approved sources, grading and consoilidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of MoRT&H, including all hire and operational charges of T&P complete for finished item of work as per MoRT&H specification 305 (5th revision)

Providing and laying boulders apron for bed protection against scour with stone boulders weighing not less than 40kg each complete as per drawing and specification. complete for finished item of work as per MoRT&H specification 2504 ( 5th revision ) and as directed by the Engineer-in-Charge

Providing dry rough stone revetment 300 mm thick with HBG stone of not less than 300 mm size including cost, (excluding seigniorage) charges and conveyance of materials to site and including labour charges for packing the stones for revetment etc., complete for finished item of work as per MoRT&H specification 2504 ( 5th revision ) and as directed by the Engineer-in-Charge for Pitching of slopes

Construction of RCC guide posts of 250 mm dia M25 grade cast-in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC posts not to exceed 1 in 500 as per drawing and Technical Specification Clause 1608.2