Addendum No. 1
1
Wicomico County Purchasing
125 N. Division St. Room B-3
Salisbury, MD 21801
Ph. 410-548-4805 Fax 410-334-3130
Date: 8/29/2014
Addendum # 1
Tankless Water Heater System Installation
Pre-Bid Meeting 8/26/2014
Attendance – See attached sign in sheet
Will Preneta reviewed the scope of work
Questions/Answers
1. There will be a dumpster on site for scrap metal supplied by the County
2. Vent kit supplied by the County and vent piping from the kits through the
roof has to be purchased by the contractor
3. Water manifold connections need to be identical in size and length
4. Electrical disconnect needs to be provided for each rack
5. Pumps require a fusable disconnect
6. Materials list (see below)
Materials List – Provided by the Owner (the vent pipe is for part number ref only
for contractors)
Quantity Catalog Nbr Description
14 9W894N C1210 ES C NG Tankless Water Heater
13 5W650LF 44443wpr ISO valve sets for water heaters
1 5H966C M3ST120R5A Storage tank ASME
4 2113418 Stratos Z 1.25 X 3-3.5 Wilo pump
4 276094 1 1/2 FPT Flange Kit
4 2113417 Recirculation pump strato 1.25 X 3X2.5 Wilo
4 2760195 1 1/2 flanges
3 7736501253 back to back vent kit starter
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