Retender- LAC-ADS-LAC -ADS 2024-25 Kuttanad LAC Construction of Thakazhi CSI church road in ward 2-of THakazhi GP-General Civil Work

Improvements to Road way

OD313331/2024-2025:Scarifying the existing bituminous road surface to a depth of 50 mm then levelling the ground with scarified materials mixed with water at OMC and then by rolling so as to achieve minimum dry density for embankment of construction

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

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

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.

55.9.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.

55.7.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.

OD313329/2024-2025:Construction of embankment with material obtained from Borrow pits:. Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site , spreading grading to required slope and compacting to meet requirement of table 300-2

4.1.B.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-V - For sub-base cum drainage layer - Mix in Place Method

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.

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.b:Providing and applying tack coat with bitumen emulsion (RS) using emulsion pressure distributor at the rate of 0.25 - 0.30 kg per sqm on the prepared Granular Surface cleaned with mechanical broom.

OD313332/2024-2025:null Mix seal Surfacing Providing ,laying and rolling of close - graded premix surfacing material of 20mm thickness composed of 11.2mm to 0.9 mm Type -A aggregate using penetration grade bitumen to required line, grade and level to serve as wearing course on previously prepared base, including mixing in a suitable plant ,laying and rolling with a three wheel 8-10 KN static roller and finishing to required level and grades as per Technical specifications clause 509 of MORD (Usage of bitumen is 22.00 kg/10M2)- BY Manual Means

OD313330/2024-2025:Providing and fixing of DLP board with Non retro refectorised Vinyl sign with 1 year warranty manufactured Vinyl Printed sheeting fixed over aluminium sheeting 2 mm thick /aluminium composi material sheeting 4 mm thick with area not exceeding 0.9 sq m with suitable back supporting frame of MS angl 40x40x6 and supported on GI pipe pole 50 mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete min size 45 cm x 45 cmx 60 cm,60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc

Appendix B protective works

3.13.1.B:Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. Ordinary soil - Mechanical Means - (Depth upto 3 m)

OD313611/2024-2025:dry stone masonry work using rubble

OD313958/2024-2025:Random Rubble stone masonry work using cement mortar 1:6

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

OD313961/2024-2025:Construction of embankment with material obtained from borrow pits :- Construction of embankment with approved materials obtained from borrow pits with all lifts and leads ,transporting to site, spreading ,grading to required slope and compacting to meet requirement of table 300-2