Harbour Engineering Department Tender

Approach

OD3938/2024-2025:Putting up ring bund of top width 1.50m, bottom width 2.75m.and average height of 2.50m with 1:1/4 side slope and protect the sides with coconut post of 4.50m long driving down 2.00m below bed level at 75cm c/c, providing 3 rows of wailing pieces 1/4 split coconut post on both sides and 1/4 split cross ties to alternate posts at top, bottom and middle portion and screening the sides of bund with Separation membrane of impermeable plastic sheet 125 micron thick fixed properly using coconut post and wailing pieces using reaper and nails in full height including tying properly using iron wire and coir altogether and supply and filling inside with hard clay/cut earth up to 2.50m, level and conveyed with all leads and lifts including consolidating properly and maintain the bund till the work is completed and dismantling the bund after completion of work etc. as per the directions of departmental officers at site. (as per CTE approved OD 5.3) Bottom width 2.75m, Height 2.5m Side slope 1:1/4 Length of coconut pile 4.50m Spacing 0.75m No. of layers 2 Length of full coconut pile required for 10m = ((10/0.75)+1)x2x4.5 = 126m Length of (1/4 split) coconut cross ties for 10m = 3x2.5 av. x 7 Nos. = 52.50 m Length of 1/4 split wailing pieces for 10m = 3x2x10 = 60m

OD5946/2023-2024:Supplying and stacking well matured straight 6m long coconut post having avg diameter on 25cm for driving down through various strata below bed level including cost conveyance, labour charges etc complete. (as per CTE approved OD 3.1)