Republic of the Philippines
Province of Negros Oriental
BIDS AND AWARDS COMMITTEE
Capitol Area, DumagueteCity
SUPPLEMENTAL/BID BULLETIN
Addendum No. 1
This Bid Bulletin is issued to inform prospective Bidders of some changes and/or modifications in the Technical Specifications of the requirements “Installation of One Lot 4 Units Repeater Stations”, for use in the PDRMMC, province of Negros Oriental (T-58-2012, ABC P750,000.00)”. This shall form an integral part of the Bid Documents.
REVISED TECHNICAL SPECIFICATIONS, viz:
One Lot bid which comprise the following:
4 units ANALOGUE REPEATER STATIONS with License, consisting of the following |
Specification and Details: |
VHF/UHF Transceiver Repeater with link; 50 watts maximum |
power output with cavity filter. |
COMPOSED OF THE FOLLOWING: |
Three (3) Sets VHF/FM Antenna 4J (TX) |
Three (3) Sets VHF/FM Antenna 4J (RX) |
One (1) Set OMNI Antenna |
Three (3) Sets VHF/FM Antenna (Link) |
Three (3) Sets Radio for Link Systems (VHF/UHF) 220 OR 300mhz |
Four (4) Unit Power Supply 30 Amperes w/built in charger |
Three (3) Lots Mast tower of 100 feet G.I. Pipe (3 Schedule 40) |
One Lot Mast tower of 20 feet G.I. Pipe |
Three (3) Sets Dog House (Repeater) (Design – Steel Plate Size 2 x 3 x 4 feet) |
Three (3) Sets Back Up Battery 24 Plates |
400 meter Low Loss Coaxial Cable RG-8 with connectors |
Four (4) pcs External Fan for cooling system |
Three (3) unit Lightning Arrester, Umbrella type cable No. 8 Stranded |
NTC Permits and Licenses |
Installation |
|
2 units Base Radio (Commercial Type) with antenna and Power Supply |
1 set VHF ANALOGUE Encoded Repeater System |
Specification and Details: |
50 watts RF Output with continuous 100% Duty Cycle |
New technology digital encoding and decoding circuitry with dual/split code to prevent interference and other unauthorized unit to enter the assigned frequency |
Built-in automatic fan cooling system that activates if repeater exceeds the normal operating temperature |
Power failure detector |
1 year warranty from commissioning |
|
-x-x-x-x-x-x-x-x-x-x-x- |
For a clearer and better radio communication provincewide (PDRRMC) |
Bidders are enjoined to take note and use the above mentioned REVISED TECHNICAL SPECIFICATIONS in the preparation of their bids.
For the information and guidance of all concerned.
DANILO C. MENDEZ
Chairman, Bids and Awards Committee