cidco of maharashtra ltd. corrigendum no. 2 c. a. no. : 03 ... · in drawing no....

CIDCO of Maharashtra Ltd. Corrigendum No. 2

C. A. No. : 03/CIDCO/ACE(I&Metro)/SE(Metro-II)/2018-19.

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Name of Work: Design & Construction of Balance Works of Elevated Metro Station at Panchanand (Station-10) for

Navi Mumbai Metro Line-1.

C. A. No. : 03/CIDCO/ACE(I&Metro)/SE(Metro-II)/2018-19

e-Bid No: 2448

Corrigendum No.2

Replies to Bidder’s Queries and Additional Clause/ Corrections

: OFFICE:

THE CHIEF ENGINEER (NM)

CIDCO OF MAHARASHTRA LIMITED,

3rd FLOOR, CIDCO BHAVAN,

CBD-BELAPUR, NAVI MUMBAI.



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C. A. No. : 03/CIDCO/ACE(I&Metro)/SE(Metro-II)/2018-19

e-Bid No: 2448.

CONTENTS

Sr. No. Description Page No.

1 Replies to Bidders Queries 3-11

2 Additional Clause/ Corrections 12-13



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Replies to Bidders’ Queries



C. A. No. : 03/CIDCO/ACE(I&Metro)/SE(Metro-II)/2018-19 (e-Bid No: 2448)

All Bidders are requested to go through all the responses on queries from various Bidders. These clarifications shall form part of Corrigendum

No. 2 of Bid Document.

Sr.

No.

Reference to

Bid Document

Description/ Conditions/

Provisions as per issued Bid

Document

Particulars of Query Clarification

Bidder No 1.

1. Clause no.

3.1.1, pg. No.

12, Volume 3 of

4 & Part-II

Summary of “

Item Rate

Percentage

offer”

And Volume 1 of

4 clause 2.1.1

1) c. ix. Site development works like

grading, precast Concrete/

interlocking tiles, paver blocks,

kerb stones, bituminous roads,

water bodies, mounds, etc

2) d iv. Plumbing Works including:-

External Water Distribution system

3) d iv. Plumbing Works including :-

External Sewers/ storm water line

4) Landscaping.

This item is mentioned in Part-II,

Please clarify that is it consider in

part –I (Lump-sum) or Part –II Item

Rate Percentage offer.

1) Site development works etc. are

excluded from the scope of work

(Part I) and is covered under

Part II.

2) Plumbing Works including:-

External Water Distribution

system is in the scope of work

under Part I.

3) Plumbing Works including: -

External Sewers/ storm water

line- This is in the scope of

work under Part I.

4) Landscaping is in the scope of

work under Part II



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Sr.

No.

Reference to

Bid Document



Document


5) Land filling at Station no. 10 5) Land Filling at Stn 10 is in the

scope of work under Part II

6) Viaduct Please clarify the scope of viaduct.

The Bidder has to Design and

Construct the Viaduct for Stn 10

(CA 03)

2

Clause no. 2.3,

pg. No. 38,

Volume 1 of 4

Maintenance of the Station Building,

Link way, Ancillary Structures (Fire

Pump room, ASS/TSS rooms, Fire

water tank, Elevated Via-duct

Structure during construction and

defect liability period.

Please clarify the types of

maintenance which need to be

carried out during the DLP. Also,

clarify the “handing over” is it after

completion of project or DLP.

Maintenance as stipulated in the

Tender during the construction

period / DLP is in the scope of the

Bidder.

However Day to Day Routine

maintenance is not in the scope.

Regarding taking over of project –

Bid Conditions prevails.

3

Clause no. 4.0,

pg. No. 71,

Volume 3 of 4

6 .V. a Low Voltage Cables and Wires

(For Fire, BMS, DG, Low Voltage

Distribution, Lifts, Escalators, etc.

complete)

6 .V. a Low Voltage Cables and

Wires (For Fire, BMS, DG, Low

Voltage Distribution, Lifts, Escalators,

etc. complete)

The incoming power supply cables

for all fire systems, BMS, DG set,

Lifts and escalators is covered

under the scope of present work

and shall be provided by the

Bidder.

6.V.i BMS system & MMS system Is it part of Civil Contractor Scope

BMS (Design, supply and

installation) is excluded from the

scope of work however MMS

system shall be provided by the

Bidder. All the necessary

provisions shall be made by the

Bidder for Interface of BMS

systems to other systems.

4 Clause no.

6.4.4, pg. No.

Control cables- Copper shielding

required

LT cables with copper shielding is

not available in market or not

As per IS 7098 Part I, Copper

shielding for LT XLPE cable of



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Sr.

No.

Reference to

Bid Document



Document


79, Volume 2B

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manufacture by any vendor. Please

clarify.

Grade 1.1 KV is not required.

5

Clause no7.3,

pg. No. 93,

Volume 2B of 4

Viaduct lighting Please clarify areas which need to

be illuminated.

Viaduct lighting is in the scope of

System Contractor (PST).

However the Bidder shall provide

Street Lights below Concourse for

the entire station area.

It is clarified that necessary

Viaduct lighting DB at both the end

of Platform along with incoming

cable for the DB is included in the

scope of work and shall be

supplied by the Bidder.

6

Clause no 11.1,

pg. No. 113,

Volume 2B of 4

D.G Room Please clarify whether the room

should be acoustic or D.G cabinet.

DG Set shall be enclosed in the

acoustic enclosure and the entire

DG with acoustic enclosure shall

be installed in the DG Room.

7

Clause no 3.4,

Sr.No. 1b,pg.

No. 67, Volume

3 of 4

Capacity of DG set

As Per Clause no 3.4, Sr.No. 1b,pg.

No. 67, Volume 3 of 4 it would be

380 KVA, and as per Dwg. No.

NMM/CIDCO/LBG/CA13/EL/LVS/001

volume 4 of 4 the capacity of DG set

is mentioned 100 KVA, please clarify

the same.

Bid Condition Prevails. The

Drawings are indicative only and

the capacity of DG set shall be

minimum 380 KVA.

8

General UPS for E & M Services If it is part of scope, then provide

size.

Please refer clause No.4.1 Page

No 61 Vol 2B of 4. The size of the

UPS shall be min. 60 Kva.

9

General PAC in System rooms PAC System is not shown in

drawings, if it is required then

provides details.

PAC system is excluded from the

scope of work. Only Split AC,

HVAC system shall be provided in



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Reference to

Bid Document



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SER, TER and UPS room.

10

General Precast member cast by previous

contractor

At the time of execution if

Precast member is not supply by

previous contractor will it be

payable to us.

The Work executed by the Bidder

shall be paid proportionately as per

payment schedule.

11 General 100 Years Durability of Existing

Structures

Please clarify, who will be

responsible for 100 years durability

for structure constructed by previous

contractor.

Previous Contractor will be

responsible for 100 years durability

for structure constructed by them.

12

It is therefore requested to please

extend the date of submission of bid

at least by 10 days after issue of

CSD i.e. 02.05.2018.

Bidding Programme have been

revised. Please refer Corrigendum

No 1.

13

Tender

Drawings and

Volume 3 of 4

Pg No 25 to 36

1) The Balance Quantities work out

from tender drawings by us is

much higher than the quantity

mentioned in Tender (Vol 3 of 4)

Please Clarify It is a Design and Build Contract,

The Contractor has to Design, and

after Designing, the actual

Quantity can be assessed. The

Quantities indicated in the Bid

Document is tentative.

14 2) Earth Filling under station is part

of scope or not

Please Clarify

Earth Filling in Station area is not

in the scope of work under Part I.

15

Drawing No.

NM1-CA13-

SMS-A-GP-10 –

D002 (R5)

1) Tender Drawing shown Linkway

Please Clarify the detail scope; also

provide section drawing with details

of trusses for workout the quantities.

Linkway- Design and Construction

is under the scope of work under

Part I.

In Drawing No. NM1-CA13-SMS-

A-GP-10 – D002 (R5) - the linkway

columns are cross-marked as

column position will not be visible



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No.

Reference to

Bid Document



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in this plan.

The Bidder can further refer

drawing No NM1-CA13-SMS-A-

GP-10 – D003/4 (R5), NM1-CA13-

SMS-A-PP-10 – D007/8 (R5),

NM1-CA13-SMS-A-EL-10 – D002

(R4) and NM1-CA13-SMS-A-SE-

10 – D002/3/4 (R5).

16

Drawing and

Finishing

Schedule

1) There is discrepancy between

Arch. Drawing and Finishing

Schedule

Please Clarify the order of

Precedence

In case of any discrepancy,

Finishing schedule mentioned in

the drawing shall be followed.

Bidder No 2

1 Vol. I Page no

90

5.0 [Five] percent of the Total

Contract Price. (GCC clause 10.1)

As per PWD GR. No. Sankirna-

2017/C.R.121(Part-II)/Building-2

dated 19.09.2017 on page

no.07,point no.10.2 4.2 Security

Deposit : Henceforth, for all works

the Security Deposit shall be 2% of

amount put to tender rounded to next

Rs.1000. Kindly reduce percentage

of security deposit to 2%

Bid Conditions Prevails.

2 We kindly request you to clarify; the

plastering is for full height or till false

ceiling level.

Plastering shall be for full height of

block work.

3 After Site visit

observation are

as below

We kindly mention the nature and

quantum of rectification work.

Please refer clause 2.1 of Vol 1 of

4 pertaining to scope of work.

4 Vol. 2 B of 4 1.3 Ventilation & Air-Conditioning System In volume 2B it is mentioned, that the Split type HVAC system shall be



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Sr.

No.

Reference to

Bid Document



Document


page no 284 Provision AC are split type but the vol. 2A page

no. 264 clause no 1.7.3. Station

Operational Areas and Other

Functional Rooms, it is Mentioned as

VRV please clarify the same.

provided at Station rooms.

5 Vol. I page no 4 EMD – IND 19.50 Lakh As per PWD GR. No.Sankirna-

2017/C.R.121(Part-II)/Building-2

dated 19.09.2017 on page no. 04

point no.4.1 The Earnest Money

deposit for works shall be,

(i) for works costing up to 1.5 Cr.

EMD = 1 %

(ii) For works costing above 1.5

Cr. EMD = 0.5 % of amount

due to tender or Rs.1.50 Lakhs

whichever is more. Hence the

Earnest Money deposit should be

0.5% of Tender amount which is

Rs.9.74 lakhs. We kindly request

you to consider the same.


6 We kindly request you to specify the

earthquake zone. (Requirement for

getting insurance details)


7 Kindly request you to provide the

drawings.

The Drawings can be collected

from the office of CIDCO-

SE(Metro II)

8 The work is already started Permissions that were applicable



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Bid Document



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means the permissions must have

been taken earlier; kindly clarify the

list of remaining permissions to be

obtained.

till date were obtained as per

requirement. However further

permissions required if any, shall

be obtained by the Bidder. Bid

Conditions prevails.

9 It is presumed that the land is ready

for construction. Land is free from

any hindrances.

Land is hindrance free. However,

the Bidders are requested to visit

the site and get acquainted before

submission of the offer.

10 We kindly request you to clarify the

drawings provided with the tender as

same or it can be consider as the

GFC for the site execution.

Bid Condition Prevails

11 As the existing HT strands are

corroded, we need to replace this,

We kindly request you to consider

this as extra item whenever it is

required.

The Corroded HT strands, if any,

has to be replaced with the new

ones. The Bidder shall include this

cost in his Bid Price.

12 Kindly clarify who will take the

responsibility of old constructed

structure, civil work MEP work and

for maintenance work.

Responsibility of the works

completed by the Previous

Contractor shall be with the

Previous Contractor.

13 When will the contractor get

encumbrance free site. Kindly Clarify

Contractor will be handed over the

encumbrances free site.

14 As mentioned, Site clearance and

dismantling of obstructions, etc.

Before commencement of work is

The Bidder has to examine the site

conditions and to consider all

aspects in his offer.



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include in scope of work, but for the

shifting of existing previous

contractor's material, kindly request

you to consider as extra item.

15 It is presumed that the provisional

NOC is already taken by CIDCO,

kindly request you to provide the

same at the time of work execution

whenever required.

Permissions/ NOCs required, if

any, shall be obtained by the

Bidder. Bid Conditions prevails.

16 Vol. 2 A page no

20

Scope of work We kindly request you to provide

Materials testing certificates (MTC) of

material used in already executed

work.

Bid Conditions Prevails

17 For fabrication work the balance

quantity are very less as compared

to executed quantity, so we kindly

request you to provide the shop

drawing of already executed work.

The Bidder has to develop the

shop drawings.

18 Vol. 2 A page no

318

The contactor prepares shop

drawings for the fabrication and

erection of all assemblies of the

custom metal Roof Decks

We kindly request you to

provide the specification for

Granolithic flooring specification

Please refer the IS: 5491-1969.

19 If the terminated contractor files any

case for the delay due to this who

will be responsible. Kindly clarify.

Court cases of the previous

contractor shall be dealt by

CIDCO.



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20 We kindly request you to clarify who

will take responsibility of already

executed waterproofing work and

clarify who is liable for the guarantee.

Responsibility of already executed

waterproofing work shall be with

the Previous Contractor.

21 We kindly request you to clarify who

will be liable for the warranty of

already executed roofing sheet work.

Previous Contractor shall be liable

for the warranty of already

executed roof sheets works.

22 Vol I page no 4 !NR 31500/- (Rs.30,000 /- Base value

+ 1500 i.e. 5% GST) (Non

Refundable)

As per PWD GR. No.Sankirna-

2017/C.R.121 (Part- II)/Building-2

dated 19.09.2017 on page no. 06

point no. 07 Tender Fees: There are

reduced tender fees rates. For Cost

of work put to Tender More than

50Crs, tender fee and processing is

Rs10000+GST. We kindly request

you to consider the same.

Bid Conditions Prevails

Note:

1 .These clarifications form part of the bid document and should be submitted duly signed and stamped by the bidder, scanned &

duly uploaded along with bid document.

2. The changes/modifications enumerated above supersede the relevant details furnished in the earlier Bid document.

3. All other conditions stipulated in the bid document shall remain unchanged.

Signature of the Bidder Superintending Engineer (Metro-II)

Date: Date:



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Additional Clause / Corrections

In addition to the above, following are the Additional Clause / Corrections to be amended in the Bid Documents. These Additional Clause /

Corrections shall form part of Corrigendum No. 2 of Bid Document.

Page No 79 of Vol 3 of 4 shall be read/ replaced as follows:

Sr. No. Description To be handed over (Partial)

by dates mentioned below:

To be handed over (Partial) by

dates mentioned below:

As appeared in Bid

Documents Shall be read as

Stn 10 Stn 10

22 Access of SER to System Contractor Oct 2018 180 Days

23 Access of TER to System Contractor Oct 2018 180 Days

24 Access of UPS rooms to System Contractor Oct 2018 180 Days

25 Access of ASS room to System Contractor Oct 2018 180 Days

26 Access of SCR to System Contractor Nov 2018 210 Days

27 Access of TOM 1 to System Contractor Nov 2018 210 Days

28 Access of TOM 2 to System Contractor Nov 2018 210 Days

29 Access of EFO 1 to System Contractor Nov 2018 210 Days

30 Access of EFO 2 to System Contractor Nov 2018 210 Days

31 Concourse level Nov 2018 210 Days

32 Track floor Nov 2018 210 Days

33 Steel Roof structure for OHE Nov 2018 210 Days



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Sr. No. Description To be handed over (Partial)

by dates mentioned below:

To be handed over (Partial) by

dates mentioned below:

As appeared in Bid

Documents Shall be read as

Stn 10 Stn 10

34 Platform Floor Nov 2018 200 Days

35 Steel Roof structure and sheeting complete. Dec 2018 240 Days

36

Final Completion of Civil and MEP work including

installation, testing & commissioning for final handing

over.

March 2019 270 Days

37 Fixing of Omega Type Expansion Joint and longitudinal

water proofing at the junction of Deck slab and I-Girder Oct 2018 180 Days

The Contractor has to complete all the balance works of Civil and MEP for final handing over.

Note:

1 . These clarifications form part of the bid document and should be submitted duly signed and stamped by the bidder, scanned &

duly uploaded along with bid document.

2. The changes/modifications enumerated above supersede the relevant details furnished in the earlier Bid document.

3. Bidders are requested to note that Design supply and Installation of BMS system is excluded from the scope of work of this

tender.

4. All other conditions stipulated in the bid document shall remain unchanged.

Signature of the Bidder Superintending Engineer (Metro-II)

Date: Date: