Figure 62: Segments Location

Unit of measurement (BOQ), KG Unit of measurement in supply KG Approved make list NEO JSW / TATA Lead time for procurement -APPROX 6-7 DAYS

3 4 . 6

Note*

tmt bars are prone to corrosion so they have to stored properly hence they are ordered only when activity to be started .reinforcement cages are not made on site. There is a reinforcement yard near World Trade Center (WTC), Cuffe Parade.

In the fig. given below, path shows the distance between the reinforcement yard (denoted as center one in figure) till station, So the reinforcement bars are procured at wtc cuffe parade and then transported to site as per need and requirement of activity

Figure 57: TMT Bars location

3 4 . 7 P O L YM E R S L U R R Y ( B E N TO N I TE F O R P I L E )

MORTH Specification Applicable 1115.2.3, Pg. 473

IS Code Applicable IS 2911 (Part 1/Sec 2): 2010

 The bentonite suspension used in bore holes is basically a clay of montmorillonite group having exchangeable sodium cations.  Bentonite suspension is used to maintain the stability of the borehole, it is essential that the properties of the material be carefully controlled at stages of mixing, supply to the borehole and immediately before concrete is placed.  Requirements  The liquid limit of bentonite when tested in accordance with IS 2720 (Part 5) shall be 400 percent or more.

SUBMITTED BY: BHUMIKA RAJ UC5316 147