JJM Scheme under South Tripura District for construction of Hydrant Posts and Platforms at individual households in different locations of Rupaichari Block under DWS Sub Division Rupaichari during 2026 27 Group III.

Providing and fixing in position Precast RCC hydrant post of size 100 mm dia ( made with reinforced cement concrete 1 : 1.5 : 3 ( 1 cement : 1.5 fine sand : 3 graded well burnt brick aggregate 1st class 12 mm nominal size) and steel reinforcement ( TMT bars )3 nos 8 mm dia 950 mm long and 7 Nos 6 mm dia ties including plastering the surface with 6 mm thick cement mortar 1 : 3 ( 1 cement: 3 sand ) finished with a floating coat of neat cement including providing & embedding 15 mm dia G.I. pipe (medium class as per IS : 1239 ) with necessary GI fittings like 2 Nos elbow, 1 no socket, 2 nos nipple 225 mm long and fitting fixing of PVC bib cock with GI socket complete with all earth work required including refilling etc. complete as per approved drawing ( Drawing No. -06/CE/ACE/P&DU/DWS/2022-23), specification and direction of Engineer-in-charge.

Providing and laying of flexible PVC pipe (Conforming to IS:7634) complete as per specification and direction of the Engineer-in-charge (Cost of earth work and fittings will be paid separately). i) 15 mm dia.

Providing and fixing brass ferrule with C.I. cover conforming to IS :2692 including boring and tapping the main as per CPWD specification and direction of the Engineer - in - charge. i) 15 mm nominal bore.

Providing and fixing in position Precast RCC platform of size 900 mm x 900 mm x100 mm with curb of size 75 x 75 mm keping an opening of 200 mm wide for surface drain of 60 cm length of size (200 mmx150 mm) in a suitable place for draining out of grey water (made with cement concrete 1:1.5:3 (1 cement: 1.5 sand: 3 graded well burnt brick aggregate 12 mm nominal size) and steel reinforcement (TMT bars) 6 nos. 8 mm dia in both direction including plastering the exposed surface with 6 mm thick cement mortar 1:3 (1 cement :3 sand) for platform &12 mm cement plaster(1:4) (1 cement :4 sand) for surface drain finished with a floating coat of neat cement complete with all earth work required including refilling etc. complete as per approved drawing (Drawing No-06/CE/ACE/P&DU/DWS/2022-23), specification and direction of Engineer-in-charge.

Making road crossing by horizontal boring for smooth laying of UPVC / CI / DI / GI pipes etc. of required dia complete as per specification and the direction of the Engineer-in-charge. A) By manual means.

Providing and fixing G.I union as per CPWD specification and direction of the Eng.- in-Charge. i) 15 mm dia.

i) 90 mm dia.

ii) 110 mm dia.

Providing, fixing and laying fabricated UPVC end cap conforming to IS : 10124 ( Part 4 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. i) 90 mm dia.