NHAI ch 498-530 Palathara Valluvanthara road drain in div 33 of Vadakkevila zonal Kollam Corporation- VLLUVAN THARA ROAD DRAIN CONSTRUCTION TO AVOID WATER LOGGIN DIV 33

11.1.1.1:Excavation for Structures Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil (i) Upto 3 m depth

OD31052/2026-2027:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 <br> I. P.C.C grade M 10 <br> (i) Nominal mix 1:3:6

11.4.2.1:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 II. P.C.C grade M 15 (i) Nominal mix (1:2.5:5)

OD35172/2026-2027:PVC WEEP HOLES- Providing weep holes using 50mm dia. PVC pipes working pressure 6kg /sq.cm including cost of materials, conveyance, labour charges etc. complete

2.5.2.B:Dismantling of Structures<br> Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202.<br> (II) By Mechanical Means <br>(B) Reinforced Cement Concrete

75.8.1.1.A:Providing Plain cement concrete for wearing coat CC 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. Max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) Nominal mix (1:2:4)

OD35173/2026-2027:Bailing out water Using 5HP Pump- Bailing out water with 5HP engine and pump set including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

OD35309/2026-2027:Item shifted to subhead 14as item 14.73(DAR)item shifted to head 14 as item 14.74steel work welded in built up sections/framed work, including cutting ,hoisting ,fixing in position and applying a priming coat of approved steel primer using structural steel etc.as required. In grating,frames,guardbar,ladder,railings,brackets,gatesand similar works Details of cost 1mX1M framed guard bar grating of 0.218quintal

11.8:Supplying, fitting and placingTMT bar reinforcement in foundation complete as per drawings and technical specifications Clauses 1000 and 1202