No. PHC/TB/EE(KAN)/Pre-Bid Jalna/ 3253 /2013 Date:

Transcription

1 PHC/TB/EE(KAN)/Pre-Bid Jalna/ 3253 /2013 Date: To, Contractors / Bidders Sub:- Construction of Hostel Building for Trainees at P.T.S., Jalna Ref: - Pre-bid meeting held on Sir, The Pre-bid meeting of the above mentioned work was held on 04/08/2013 at a.m. in the conference room of this Corporation. The corrigendum containing correction & clarification to the tender documents are enclosed, which will form part of the agreement. You are requested to submit this common set of deviations duly digital signed along with the tender documents. If, it is not submitted then it will be presumed that, you have accepted these additional clarifications and your tender will be opened. Documents attached a) PART I - CORRIGENDUM OF VOLUME I b) PART- II CORRIGENDUM OF VOLUME - II c) PART III- ADDITIONAL GENERAL CONDITIONS Yours faithfully Sd/- (A. A. Khot) Superintending Engineer Enclosure: As above

2 Name of Work: - Construction of Hostel Building for Trainees at P.T.S., Jalna PART I - CORRIGENDUM OF VOLUME I Sr. Page Paragraph & Line As per Description in Tender document 1 4 Clause 1.1/ Line no. 3 Class 3 Class 2 Corrections / Modifications / Clarification / Deletion / Addition / Read as 2 10 Clause 1.3/ Line no. 3 Class 3 Class Clause 3.22 Occurrence to the client and the commissioner of workmen s compensation. Decided by Commissioner workmen compensation act. is received from commissioner from labour department Sr. 4 SAIL, TISCON, VIZAC (RNIL) only ( TMT Fe 415/500 of ISI Specification ) Occurrence to the client and to the labour commissioner for workmen s compensation. Decided by the labour Commissioner under workmen compensation act. is received from the labour commissioner from labour department. SAIL, (RNIL) TISCON, VIZAC, JINDAL, ESSAR ) only (TMT Fe 415/500 of ISI Specification ) Sr. 5 Bricks Autoclaved Aerated (Cellular) Cement concrete Block (Light weight concrete Block) Add Sr. 31 to Autoclaved Aerated Light weight concrete Block Jointing Material - Ultra Tech, Wall Plast, Pidilite, Magicrete 32. Ready Made Plaster Material - Ultra Tech, Wall Plast, Roofitmix 33. Wall care Putty J. K. White Cement, Wall Plast, Ultra Tech, Birla. 34. Gypsum Plaster India Gypsum,

3 Paragraph Sr. Page As per Description in Tender & Line document List of Electrical Material Vinayak Gypsum, Cinmix. 35. Tile Adhesives Wall Plast, Bas, Araldite, Pidilite 36. Hack Aid Plast/ Chemical Bonding Agent Sunanda, Lonmix, Wall Plast, Kerakoll Corrections / Modifications / Clarification / Deletion / Addition / Read as Add Name of Company Air Circuit breakers Moulded Case Circuit breakers Switch Fuse Units Changeover Switches Contractors Relays Miniature circuit breakers Earth leakage circuit breakers Distribution boards 5A/ 15A switches, Sockets, Ceiling Roase, batten, Holder, Angle Holder & Accessories ABB/ Indo Asian

4 Name of Work: - Construction of Hostel Building for Trainees at P.T.S., Jalna PART - I I - CORRIGENDUM OF VOLUME - II Sr. Drawing / Sheet As Printed in Tender Drawing / described in tender drawing Corrections, Modifications, Clarifications, Read as

5 Name of Work Construction of Hostel Building for Trainees at P.T.S., Jalna PART III ADDITIONAL GENERAL CLARIFICATIONS

6 1. Estimate of Construction of Hostel Building for Trainees at P.T.S., Jalna including all infrastructural amenities: Those who want to refer Estimate of this work prepared by Architect are available to bidders on website (RTI Document) under the banner of Estimate of Construction of Hostel Building for Trainees at P.T.S., Jalna including all infrastructural amenities for reference. Estimated cost of the work is Rs lakhs. Estimate provided to bidders is for reference only. Bidder shall prepare his own estimate on the basis of drawings, specifications, lead of material, schedule of rates (DSR), & quantity of work for quoting of final offer. No claim will be entitled to bidder on the basis of estimated quantity of each item, rate, lead of material, missing items etc,. The estimate shall not be considered as part of contract. 2. It is electronics documents and legally binding on both the parties. 3. The offer of contractor shall be inclusive of Labour Cess at 1% of tender cost. 4. INSTALLATION OF CCTV CAMERA: Contractor shall install CCTV camera on site of work along with internet connection to observe the live activity of works in conference hall of Client. 5. Chapter 5, clause (K), Add following notes. 1. The diameter of steel, Nos. of bars, spacing of steel & stirrups, development length of steel, curtailment of steel, ductile detailing of steel etc. shall be strictly according to I.S. codes if it is mentioned wrongly in drawings. 2. Minimum and maximum criteria for all R.C.C. elements shall be strictly followed as under if it is mentioned wrongly in drawings. a) RCC footing / pile cap Minimum of piles in group 2 (single pile is not allowed) Minimum size 1000 x 1000 mm Minimum Depth 450 mm Minimum Steel diameter 10 mm Minimum spacing 100 mm c/c

7 Maximum spacing 200 mm c/c b) Shear wall (Load Bearing Wall) Minimum thickness 150 mm Minimum main Steel tor 12 mm diameter Minimum distribution steel tor 8 mm diameter Minimum Spacing of stirrups 100 mm c/c Maximum 200 mm c/c c) RCC wall Minimum thickness 100 mm Minimum Steel diameter of 12 mm for Load bearing wall Minimum Steel diameter of 10 mm for Non load bearing wall d) RCC Column Minimum 230 x 300 mm Minimum Steel 6 Nos. Tor 12 Stirrups Tor 100 mm c/c Recommended depth of column 300, 400, 500, 600, 700, 800, 900 & 1000 mm e) RCC Beam Minimum depth of beam 400 mm. Minimum width of beam 150 mm. Minimum Steel 12 mm diameter for top & bottom & side face Recommended depth of beam as per design 400/ 500/ 600/ 750 mm f) RCC Pile Minimum Size 400 mm diameter Minimum no. of piles 2 Minimum Steel 8 Nos. Tor 12 Minimum Length 3.00 meter with respect to bottom of pile cap

8 g) RCC Slab Minimum thickness 100 mm. Recommended thickness of slab 100, 125, 150, 175, 200 mm Recommended spacing of steel in slab 100, 125, 150, 200, 250 & 300 mm Staircase waist slab Minimum thickness 150 mm Minimum main Steel 12 mm diameter WC & Bath slab Minimum 150 mm thick slab Minimum Steel 8 mm 100 mm c/c Maximum Spacing of steel 200 mm c/c Terrace slab Minimum 150 mm thick slab h) R.C.C. under ground over water tank, Retaining wall and Septic tank Minimum thickness of wall 150 mm Minimum thickness of top slab of underground and septic tank = 200 mm. 6. Additional condition in clause no Foundation shall be designed & verified on the basis of actual SBC on site of work. The SBC of various types of soil is given below Sr. Description of soil t/m 2 1 Black cotton soil in dry condition (50% saturation) Moist clay & sand clay mixture 15 2 Medium clay Medium sand compact &dry Loose gravel Soft murum 25

9 3 Compact clay nearly dry Compact sand prevented from spreading Compact gravel & hard murum Soft rock 40 4 Laminated rock such as sand stone &lime stone Hard rocks without defects and laminations such as granite, diorite & trap stone 300 Note If the SBC is less than 15t/m 2 then it is recommended for pile foundation or Raft foundation.

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