Pathanapuram - Kollam District. Total length of road is 6.700 Km.-.

Appendix-A- Pre-monsoon works

OD143713/2024-2025:Engaging man mazdoor for clearing chocked culvert, clearing vegetation, removing the RCC slab, assisting wood cutter and cleaning drain and emergency pothole filling with cold mix etc.

OD143714/2024-2025:Engaging JCB for removal of raised berm, vegetation growth, removing deposits from drains, clearing earthen drain and eviction purpose etc. including hire charges, fuel operator etc.

OD143715/2024-2025:Engaging tipper for conveying and disposing debris and waste materials cleared from roadway including hire, fuel, operator etc complete

2.1.1:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit. Girth from 300 mm to 600 mm

2.1.2:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit. Girth from 600 mm to 900 mm

2.1.3:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit. Girth from 900 mm to 1800 mm

OD143723/2024-2025:Filling of potholes with bituminous ready mix compound (25kg/ bag) and compacted by ramming to get a compact surface including cost of materials, laying charges, conveying etc complete.

2.2:Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area

Appendix-B-Proactive/Preventive Maintenance

55.4:Supplying and stacking 36mm size hard broken stone in standard heaps for measurement.

55.2:Supplying and stacking 12mm hard blue granite broken stone in standard heaps for measurement(IRC 3.2.1.a)

55.8.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface.

55.7.a:Providing bitumen leveling coarse between 40mm and 150mm with 36mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen with pressure sprayer at the rate of 20 Kg per M3 metal including all cost of bitumen conveyance heating mixing spreading in appropriate locations to proper levels compacting with power roler and other sundry stores.

55.9.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 12mm departmental broken stone and compacting with power roller to get a compact surface.

55.5.a:Levelling undulation with precoated chips with 1% of paving bitumen (vg 30) by weight of chips in a suitable mixer duly heated to 160 degree temperature spreading, levelling and rolling to required line and level for thickness up to 20 mm.

4.12:Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

4.2.A.1:Construction of granular sub-base by providing graded material, spreading in uniform layers with a motor grader on a prepared surface, mixing by mix in-place method with rotavator at OMC, and compacting with a vibratory roller to achieve the desired density, complete as per clause 401. Grading-III -For lower sub-base - Mix in Place Method

5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means.

5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

OD143727/2024-2025:Mix Seal Surfacing: Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm (Type-A) or 13.2 mm to 0.9 mm (Type-B) aggregates using penetration grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 8-10 kN static roller and nishing to required level and grades as per Technical Specication Clause 509 of MORD.(Total usage of bitumen is 22.00kg/10m2) :-By Manual Means

55.23:Supplying and laying interlocking tile 80mm or nearest size thickness, minimum strength M30 including providing a layer of 6mm aggregate for 5cm thickness, then laying interlock cobbles in lines and levels as per the directions of the departmental officers at site inclusive of all cost & conveyance charges etc. complete.

OD143728/2024-2025:Providing and Sticking of non - retro reflectorized Vinyl sign on Existing Display Board for Running Contract Work with one year warranty (manufactured with vinyl printed sheet)

12.4:Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

12.8.A.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. PCC Grade M15

12.8.B:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications PCC Grade M20 (Without formwork)

Routine Inspection

OD143712/2024-2025:Engaging labour with passenger car not less than 1000cc for conducting and reporting routine inspection for 20km for the enitre length of project road at a frequency of 7 days throughout the agreement period of running contract as per the direction of departmental officer.