KIIFB-Chalakkudy Anamala road--Construction of retaining wall at land slide locations and reconstruction of an existing culvert at Pathadippalam in Chalakkudy Anamala Road - General Civil Work

APPENDIX - A Box culvert

2.4.4.D: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 metres Dismantling Stone Masonry - Dry rubble masonry

2.4.10.C:Removing all type of Hume Pipes and Stacking within a lead of 1000 metres including Earthwork and Dismantling of Masonry WorksAbove 900 mm

2.5.1.B:Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately Granular courses - By Manual Means

OD146927/2025-2026:Ring Bund Type -1 Putting up ring bund as per approved shape 2.50 m bottom width , 1 m top width using empty gunny polythene bags filled with earth placed i9n 2 rows at 0.60m apart and filled in between with puddle clay to form bund for an avourage height 2.00m including labour dismantling the bund after completion of the work etc. complete.

OD146926/2025-2026:Pumping or bailing out water and removing slush etc. by using pump set including cost of labour , oil , hire charges of pump set etc. complete.

12.1.B.1: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 and backfilling with approved material. Ordinary Soil - Depth upto 3m - Mechanical Means

12.8.1.C.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 - Using Concrete Mixer

13.5.A:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications PCC Grade M15 - Height upto 5m

OD146928/2025-2026:Dry rubble masonry for retaining wall/Breast wall with departmental material as per drawing and technical specification including labour charges etc. complete

OD146930/2025-2026: Dry rubble masonry for foundation and supper structure of retaining wall , including all charges of labour , material, conveyance etc complete

OD146929/2025-2026:Providing dowel bars using 20mm dia TMT steel 1.2 m Long including drilling holes of 25mm dia and filling the gap with cement grout ece complete

12.8.H.1.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M35 - Using Concrete Mixer

12.8.G.1.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M30 - Using Concrete Mixer

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

3.16: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

3.15:Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres by Mechanical Means

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.

55.22:Supplying and laying interlocking tile 100 mm or nearest size thickness, minimum strength M 40 including providing a layer of 6 mm aggregate for 5 cm 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.

12.8.1.C:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 - Using Concrete Mixer - (Without formwork)

14.8:Providing , fitting and fixing mild steel railing complete as per drawing and Technical

8.4a.10:Retro-Reflectorised Traffic Signs (Type XI) : 90 cm circular Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign with 10 years warranty manufactured as per IRC :67 made of ASTM D 4956-09 Type XI micro prismatic grade sheeting fixed over aluminium sheeting, 2 mm thick/ aluminium composit material sheeting 4 mm thick with suitable back supporting frame of MS angle 25x25x3 and supported on GI pipe pole 50mm 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 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over suitable primer and as per approved drawing and clause 801 including lettering symbols etc.

8.4a.11:Retro-Reflectorised Traffic Signs (Type XI) : 75 cm triangle Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign with 10 years warranty manufactured as per IRC :67 made of ASTM D 4956-09 Type XI micro prismatic grade sheeting fixed over aluminium sheeting, 2 mm thick/ aluminium composit material sheeting 4 mm thick with suitable back supporting frame of MS angle 25x25x3 and supported on GI pipe pole 50mm 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 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over suitable primer and as per approved drawing and clause 801 including lettering symbols etc.

Appendix B Retaining wall-approach of culvert

3.32:Excavation in soil in hilly area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead upto 1000 metres.

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

OD146931/2025-2026: Dry rubble masonry for foundation and supper structure of retaining wall , including all charges of labour , material, conveyance etc complete

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

13.9.A:Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular material

8.8:Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces

Appendix c Retaining walls at the land slide locations at Ch 64/700(RHS),Ch 73/500(LHS),Ch 73/780

3.32:Excavation in soil in hilly area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead upto 1000 metres.

OD146932/2025-2026:Engaging coolie for controlling traffic

OD146933/2025-2026:Providing dowel bars using 20mm dia TMT steel 1.2 m Long including drilling holes of 25mm dia and filling the gap with cement grout ece complete

12.8.1.C.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 - Using Concrete Mixer

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

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

13.9.A:Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular material

OD146934/2025-2026:Providing and fixing weep holes of PVC 110mm dia 6kg/cm2

3.17:Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2.