CONSTRUCTION OF MANHOLES AND SEWERLINES AT SIVASAKTHI NAGAR IN WARD NO04 OF THANJAVUR CITY MUNICIPAL CORPORATION

Earthwork excavation in all kinds of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stony earth and earth mixed with small size boulders and hard gravelly soil for laying sewer pipes (IS 3764: 1992) for the first depth of 2m below G.L. excluding refilling, disposal of surplus earth, and as directed by the Engineer in charge

Barricading work (Where, there is less traffic areas and broader roads etc.) forlaying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by Engineer Incharge.

Providing granular bedding (Bf=1.1to 1.9) with graded hard broken stone of size 20 mm, 10mm,6mm being the ratio of 2: 1.5: 1. laying in layers of 15cm thick including cost of all materials and labour charges such as ramming, consolidation etc., complete for pipe bedding and as directed by the Engineer incharge.

Supply of 200 mm diameters of6KSC Un-Plasticized Polyvinyl Chloride etc complete as per Standard Specification.

Lowering of 200 mm dia pvc pipes to site and stacking properly along the alignment lowering into the trenches etc complete as per standard Specification

Providing PCC 1: 1.5:3 concrete including cost of all materials and labour charges etc. complete for providing encasing around the pipe etc complete.

Refilling the trenches with excavated earth including watering and consolidation as directed by the Engineer in Charge.

1.00-1.50 m Depth

1.50-2.00 m Depth