Laying of Sewer Line along Diamond Harbour Road by Micro-tunneling Method

• Contractor
• ITD – ITD CEM Joint Venture

Main components

i> Construction of 13 Nos. Shafts

Supplying and Laying of 1829 mm dia MS water main – 4.0 Km

Supply of Butterfly valves of 21 Nos. of 300 – 1800 mm

Supplying and Laying of 1600/ 2200/ 2400 mm dia.RCC Sewer lines – 4.0 Km length (approximately)

Construction of Pumping Station in Beghore Khal and in Joka Tram Depot And construction of Sewerage and Drainage Network within Diamond Harbour Roads Catchment

• Contractor
• Tantia - MPPL (WILO)Joint Venture

Main components

i. Supplying and Laying of 250 - 1800 mm dia sewer lines – 16.7 Km length

ii. Supplying and Laying of 2000 mm dia sewer lines – 60 m length

iii. Supplying and Laying of 1300 mm dia MS pumping main– 370 m Length

iv. Supplying and Laying of 400/450 mm dia DI pumping main– 1430 m Length

v. Construction of PS for Combined flow at Joka with 5 Nos. (each of 1000 lps capacity) for SWF and 6 Nos. (each of 161 lps capacity) for DWF

vi. Construction of PS for Combined flow at Beghore with 5 Nos. (each of 1200 lps capacity) for SWF and only installation of 4 no (each of 100 lps capacity) for DWF

Micro-Tunneling Works on Sewerage Pressure Main from Santoshpur Pumping Station to Garden Reach Sewage Treatment Plant

• Contractor
• Simplex – Krita Joint Venture

Main components

i. i. Supplying and Laying of 1800 mm dia casing pipe – 525 m length

ii. Supplying and Laying of 750 mm dia MS Carrier Pipe– 580 m Length

Construction of S & D Network and Pumping Station in Borough - XIII (Ward 122) including Replacement of GAP Sewer Line in Borough XV, Laying of Pumping main and Rehabilitation of SSE STP including Operation & Maintenance of the Pumping Station(s) and STP

• Contractor
• M/s SNET – SSG JV

Main components

i. Construction of South Suburban East PS with 4nos DWF pumps (each of 38 lps capacity) and 4 nos SWF pumps (each of 1020 lps capacity)

ii. Supply and laying of 600 -900 mm dia sewers for a length of 3.5 km and 250 – 2000 mm dia sewers for a length of 4.5 km

iii. S&D network improvement in GAP area and Trenching ground PS

iv. Supplying and Laying of 700 - 1400 mm dia MS pumping main– 3 Km Length and 300 - 700 mm dia DI pumping main– 2 Km Length

v. Rehabilitation of SSE STP