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ADDENDUM NO. 02
 

Republic of the Philippines
DAVAO CITY WATER DISTRICT
Km. 5, Jose P. Laurel Avenue, Bajada, Davao City
Telephone No. (+63)(82) 221-9400 connecting all departments
Fax (+63)(82) 226-4885
Website:http:// www.davao-water.gov.ph
 

SUPPLEMENTAL/ BID BULLETIN
 

This addendum or supplemental/bid bulletin is issued to modify or amend items in the Bid Documents. This shall form an integral part of the bid documents of item under Package 1-Supply and Delivery of One (1) unit Brand New 220 KVA (176KW) Generator Set with Soundproof Canopy including installation of Automatic Transfer Switch (ATS), Built-in Motor Accessories and Installation of Electrical Wiring.

 

Amendment # 1 – Under Schedule of Activities (Invitation to Apply for Eligibility and  to Bid)

 

FROM

TO

Submission and Opening of Bids

April 12, 2010 @ 9:00 a.m.

April 14, 2010 @ 9:00 a.m

 

Amendment # 2 – Under Financial Documents of the First Envelope (Eligibility/
       Technical Requirements)

 

FROM

TO

Audited Financial Statements, stamped “RECEIVED” by BIR or its duly accredited and authorized institutions

 

For the year 2009

 

For the year 2008

                                                                                                                           
Amendment # 3 – Revisions/ Addendum under Section VII (Technical Specifications­)

ITEM
No.

ORIGINAL SPECIFICATION

AMENDED SPECIFICATION

 

 

1

SUPPLY, DELIVERY AND INSTALLATION OF:

 1 unit – Brand new 220 KVA (176 KW) Generator set with soundproof canopy, main transfer switch Automatic Transfer Switch (ATS), built in motor accessories including all necessary labor and materials for its installation, electrical wiring and operation.

SUPPLY, DELIVERY AND INSTALLATION OF:

 1 unit – Brand new 220 KVA (176 KW) Generator set with soundproof canopy, Automatic Transfer Switch (ATS), built in motor accessories including all necessary labor and materials for its installation, electrical wiring and operation.

I         Specification (Technical Data)
  1. Specification (Technical Data)

Mode of operation : Full Resilient

Deleted
  1. Alternator

 II.                Alternator

No. of Leads – 12 wires – option for multi voltage function for feature use to operating Voltage Adoptable

Deleted

Rotor : Rotating Field Type

Deleted

Exciting System: rushless, self exciting

                          brushless, self-exciting

                     : Self Regulating

                                : Self-regulating

Auto-Voltage Regulator: /-1.5 steady state voltage regulation

Auto-Voltage Regulator: /+,-1.5-2.0 steady state voltage regulation

ADDITIONAL FEATURES OF ALTERNATOR

ADDITIONAL FEATURES OF ALTERNATOR

  1. Alternator can cope-up with 300% overload for 20 seconds.

1.  Alternator can cope-up with 300% overload for 10 seconds.

2.    2/3 pitch winding to eliminate 3rd harmonics and neutral current

Deleted

  1. Engine

III.          Engine

Engine Hp             : 250 HP

Engine Hp             :  225 hp – 275 hp

Model : 6CTA 8.3G

Deleted

 

Exhausting Pipe: Flapper should be15 ft. above ground level (additional exhaust pipe will be installed upon delivery)

Speed governing:                 Mechanical

Speed governing:                 Electronic Governor

ADDITIONAL CONTROLS AND LAMPS

              Deleted

  1. Fuel pre-filter with waste separator – protect the fuel injection system against solid and liquid impurities.

Deleted

  1. Dry-type air filter including maintenance indicator

Deleted

3.    Cooling air temp. at radiator 60C

             Deleted

  1. ENGINE CONTROL AND LAMPS

IV.       INTELLIGENT GENSET CONTROLLER AND LAMPS TO MONITOR CONTROL PROCEDURES, PROTECTION PARAMETERS, MEASURING TELECOMUNICATIONS W/ LED DISPLAY
    1. Diagnose request switch

Deleted

    1. Frequency adjust potentiometer

Deleted

    1. Fuse

Deleted

    1. Electrical system indicator

Deleted

    1. Over speed shutdown indicator

Deleted

    1. Alternator charging indicator

Deleted

  7.     AC shutdown indicator

Deleted

  8.     Stop engine light

Deleted

  9.     Fuel level indicator

Deleted

 10.    Supply voltage adjust potentiometer

Deleted

  1. MAIN CIRCUIT BREAKER

V.                        Deleted

  1. EMERGENCY STOP BUTTON

VI.                      Deleted

  1. BASEFRAME

VII.                     Deleted

Compact skid mounted pack

Deleted

Easy to install in a confined space

Deleted

Easy to transport by means of forklift slots

Deleted

  1. STEEL CANOPY

VIII.                   Deleted

Rigid construction – with stand rough on site handling

Deleted

Weatherproofed for use in worst environment conditions

Deleted

Noise reducing foam plastic liner – allows operation in noise restricted areas and night

Deleted

  1. OTHERS: CONSUMPTION (ACC TO ISO 3046-A)

IX.           OTHERS: CONSUMPTION (ACC TO ISO 3046-A)

Fuel tank Capacity : 352 L

Deleted

Fuel Consumption at 100% load: 44 L/H

Deleted

Emission Compliance : EPA

Deleted

Sound Level at 75% lead, 7m distance     69.5 db

Deleted

ENCLOSURE SPECIFICATION:

Deleted

  1. 100% Galvanize materials, guaranteed to be rust free for five (5) years

Deleted

  1. Fully blotted construction with dead front cover hinged type

Deleted

  1. Phospetized metal parts, powdered painted to a minimum thickness of 80 microns

Deleted

4.     Copper bus bars are oxygen free, high conductivity.      

Deleted

OTHER REQUIREMENTS: 

OTHER REQUIREMENTS:  ISO Certified

Certifications –Generator sets are designed, manufactured, tested, and certified to relevant UL, NFPA, ISO, IEC, and CSA standards

Deleted

 

For guidance and information of all concerned.

 

EDWIN V. REGALADO
BAC-A Chairperson

Received by the Bidder: _________________________
Date: ____________________
 
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