Construction of Anti Sea Erosion Bunds at 6 Sites in Ratnagiri District

Excavation for foundation in earth, soils of all types, sand, gravel, soft murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete. ( By Mechanical Means ) a) Upto 1.50m lift Normal Rate

Bhandarpule

Ganpatipule

Nevare

Ganeshgule

Excavation for foundation in earth, soils of all types, sand, gravel, soft murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete. ( By Mechanical Means ) b) 1.50m to 3.00m lift, Add 10%

Ganeshgule

Providing and laying cement concrete pipe of IS 458:2003 NP-2 class of 1000mm diameter in proper line, level and slope including providing and fixing collars in cement mortar 1:2 and curing etc. complete.

Bhandarpule

Ganpatipule

Nevare

Bhandarpule

Ganpatipule

Nevare

Ganeshgule

Supplying and spreading geofabric filter layer of Geotextile of Polypropylene multifilament woven to the line, level and grade with pore size less than 0.075 mm and permeability greater than 20.0 litre/ One Square Metre/second confirming specification IS:1969 and ASTM standard including conveying to the site, joining and stitching with proper overlap and laying at excavated surface in tidal condition as directed by Engineer- in- Charge etc. complete.

Bhandarpule

Ganpatipule

Nevare

Ganeshgule

Providing and laying filter layer of polythene bags, filled with a/b/c including conveying and placing in proper line, level as per drawing in tidal condition as directed by Engineer - in- Charge. sand obtained from excavation of foundation

Bhandarpule

Ganpatipule

Nevare

Ganeshgule

Supplying and laying 100% PP Staple fibre Woven Geo bags filled with locally available sand (inital Lead of 50m) having minimum mass of 600 GSM and Tensile strength of 175 KN/M2 in MD/CD and elongation of 60/60 %. The specified Geotextile (Bags) shall have puncture resistance of 4100 N and abrasion resistance of greater than 75% of strength & thickness, to be laid as per drawing in required line, level, slope as per drawing, section in tidal condition as directed by Engineer - in - Charge. (Size of Bag 2.00 x 1.50m with inflated thickness of 40cm at Centre weight of each filled bag shall be in between 550 to 600 kilogram)

Bhandarpule

Ganpatipule

Nevare

Ganeshgule

Removing sand /muck/ slush /soil bellow low tide level to the specified section from navigation channel as per the area and depth upto 3.00 m from sea bed by mechanicel means with , hyderaulic excavator, etc. and barge for establisment all machinery with all required tools and equipments, boat for conveying excavetd material, including removing the excavated materials with all lift and leads as directed beyond high tide level line of water stacking spreading or disposing,dewatering if required unless otherwise provided else where complete under tidal condition.

Bhandarpule

Ganpatipule

Nevare

Ganeshgule

Providing laying and placing in position segment of a/b diameter UV Resistance Geotextile tubes as per design and drawing of High strength woven Geotextile made from polypropylene multifilament woven in both warf and weft directions, with cover of UV protective pp tape woven Geotextile with pore size less than 0.075 millimetre and permeability greater than 9.00 litre/ One Square Metre/second conforming specification IS:1969 and ASTM standards placed parallel to high water line and duly filled with sea sand mechanically by sand dredging machine so as to act as main burnt and toe burm at offshore to hold accumulated sand on beach including all labour, plant, equipment and machinery required including shuttering and scaffolding as directed by Engineer-in-Charge of the work etc. complete. (a) Geotextile tubes of diametre – 3.00 M

Bhandarpule

Ganpatipule

Nevare

Providing laying and placing in position segment of a/b diameter UV Resistance Geotextile tubes as per design and drawing of High strength woven Geotextile made from polypropylene multifilament woven in both warf and weft directions, with cover of UV protective pp tape woven Geotextile with pore size less than 0.075 millimetre and permeability greater than 9.00 litre/ One Square Metre/second conforming specification IS:1969 and ASTM standards placed parallel to high water line and duly filled with sea sand mechanically by sand dredging machine so as to act as main burnt and toe burm at offshore to hold accumulated sand on beach including all labour, plant, equipment and machinery required including shuttering and scaffolding as directed by Engineer-in-Charge of the work etc. complete. (b) Geotextile tubes of diametre – 1.50 M

Bhandarpule

Ganpatipule

Nevare