Provn of water supply scheme for COB Tuibong and AR Bn at Kangvai under HQ 27 Sect AR (PART-II KANGVAI)

Amount

SCHEDULE ‘A’ PART-I (PPR PIPE LINE)

Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes confirming to IS:15801 UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. PN - 10 Pipe, 75 mm OD (SDR-11)

Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes confirming to IS:15801 UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. PN - 10 Pipe, 63 mm OD (SDR-11)

Providing and fixing PPR union 75mm

Providing and fixing PPR union 63mm

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) 80 mm nominal bore

-Ditto- but 65 mm nominal bore

Constructing masonry Chamber 30x30x50 cm inside, in brick work in cement mortar 1:4 (1 cement :4 coarse sand) for stop cock, with C. I. surface box 100x100 x75 mm (inside) with hinged cover fixed in cement concrete slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), i/c necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 fine sand : 10 graded stone aggregate 40mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12mm thick, finished with a floating coat of neat cement complete as per standard design With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

SCHEDULE ‘A’ PART-I (RCC WATER STORAGE TANK)

Construction of RCC Water Storage Tank all work as per drawing with specification with all connection of water pipe line as specified in HQ 27 Sector Assam Rifles Drawing No, DMR/Engr/2022/260 Sheet No. 1/2 & 2/2

M/S MD INAYAT HUSSAIN

M/S YUMNAM PREMKUMAR SINGH