School Improvement 6 th SFC 2025-2026

Earth work exception for foundation in all solids and sub-solids to full depth as may be directed except in hard rock requiring blasting but inclusive shoring, structing and baling out water wherever necessary and filling the sides of foundation with excavated earth in layer of not more than 15cm thick well rammed and consolidated and depositing the surplus earth in all places shown by the department officers with initial lead and lifts etc. including leaving the sites complete complying with standard specifications etc complete.

Supplying and filling in foundation and basement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement concrete Using 1:4:8 mix (one part cement, Four part sand Eight part aggregates) using 40mm ISS gauge HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying, consolidating and curing etc., complete as per standard specification. TNDSS NO: 28 V, VI (S2) V, VI (S5A) VII

Reinforced cement concrete 1:11/2:3 (One part Cement one and half part sand and three part aggregate) using 20mm size I.S.S metal including cost conveyance of materials to site and all labour chages etc.,mixing laying consolidating curring etc., but excluding cost of steel etc., complete as per standard specification TNDSS NO: 30 V. VI (S3) VII-3

Supply and fabrication and placing in position of TMTsteel roads to required size and length as directed by the departamental officers including cost of binding wire, cutting, bending and tying etc., inclduing cost and conveyance of all materials to side and all labour charges etc., complete as per standard specification TNDSS NO: 97 V.VI (S6) VII (S^) VII-3

Supplying and errecting centering to sides and soffits including supports and strutting for drainage sides and culvert body wall sides using 90cm x 60cm and B.G 10 stifened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over (silver oak joists) of size 25mm x 25mm x 3mm for boarding laid over (silver oak joists) of size 10cm x 6.50cm spread at about 90cm including all labour charges and cost and conveyance of all material to site etc., complete complying with standard specification. TNDSS NO: 20 & 85

Below Ground Level

Coloumn

Brick Work in Cement Mortor 1:5 Mix (one cement, five sand) using new best II Class Bricks of size 9 ” x 4 3/8 “x 2 3/4 ” from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Up to Basement

Special ceiling Plastering in Cement Mortor 1:3 Mix (one Cement, Three sand ) 10mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete . complying with std. specifications-10 m2.

Plastering in C.M. 1:5 mix (one part of cement and five part of Sand) 12mm tk including mixing and finishing to a well smoothened surface, watering cost and conveyance all materials and all labour and other incidental charges and other incidental charges etc., complete. as per standard specification TNBPSS 56,57

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

Exterior Emulsion paint Two coats with good quality of approved Emulsion paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specifications for 10 sqm

Painting Priming coat on new Iron works with ready mixed paint of approved quality -10m2