Attachment_2_-_SOW_-_Revisions_-_12_Dec_17.docx

FA452818R0002

Attachment 2

STATEMENT OF WORK

Rpr. Storm Drains WSA, Project Number QJVF 08-0158, CPID 1017890 Project Revisions#1, Revised 12 December 2017

Amendment consists of the following:

1. Specification 01 11 00 add to paragraph 1.19.2: “Allow for 30 days of exercises in schedule. Seven days of these exercises will be no notice. Contractor will not be allowed to work on these days. Include these 30 days in bid price.”

2. Specification 01 11 00 add to paragraph 1.20.2: “Personnel must be able to meet REAL ID Act of 2005 requirements to obtain access to base."

3. Specification 33 40 00 change paragraphs 2.7 and 3.8 to “NOT USED”.

4. Drawing CP101 add note 2 “2. REMOVE 6 CATHODIC PROTECTION TEST STATIONS & 2 VALVE BOXES FROM GRADING AREA, REINSTALL AFTER GRADING”. Drawing CP102 add note 14 “14. REMOVE 8 CATHODIC PROTECTION TEST STATIONS FROM GRADING AREA, REINSTALL AFTER GRADING, SEE DRAWING 504 DETAILS”. Drawing CP103 add note 8 “8. REMOVE 5 CATHODIC PROTECTION TEST STATIONS FROM GRADING AREA, REINSTALL AFTER GRADING”. Drawing CP104 add note 27 “27. REMOVE 9 CATHODIC PROTECTION TEST STATIONS FROM GRADING AREA, REINSTALL AFTER GRADING”. Drawing CP105 add note 4 “4. REMOVE 4 CATHODIC PROTECTION TEST STATIONS FROM GRADING AREA, REINSTALL AFTER GRADING”. Drawing CP106 add note 13 “13. REMOVE 9 CATHODIC PROTECTION TEST STATIONS FROM GRADING AREA, REINSTALL AFTER GRADING”. That is approximately 40 CP test stations in grading areas on water line fittings and valves. There are also some around the building 1134 fuel tanks underground pipes, bid at least 10 more CP test stations. Reinstall per detail C13 drawing C-504.

5. Drawing CP107 add notes: “GENERAL NOTES: 1. TELEVISE SHALL INCLUDE A DIGITAL VIDEO RECORD OF THE FULL PIPE LENGTH & A REPORT ON ANY DAMAGE. IF DEBRIS IS FOUND IT SHALL BE REMOVED & PIPE TELEVISED AGAIN. 2. SEE APPENDIX TO SPECIFICATIONS A, 13 EXISTING CULVERTS, FOR SITE CONDITIONS. NOTE THAT STORM DRAIN INLETS AND METAL PARTS ARE WELDED SHUT AND WELDED ON. 3. ANY OPENINGS ARE USUALLY LESS THAN 96 SQ. INCHES.”

6. Drawing CP104 keynote 3, change “90 DEGREE BEND“ to “TEE”.

7. Drawing CP104, add note “NOTE: 1. ALL 6” AND 8” PVC PIPE SHALL BE SCHEDULE 40” 2. CONTRACTOR SHALL FIELD VERIFY ALL EXISTING SITE CONDITIONS, CONFIGURATIONS, SIZES AND MATERIALS

8. Drawing CP104 keynote 26, change to “CONNECT TO EXISTING 6” UNDERDRAIN WITH AN INSTALLED WYE FITTING”

9. Drawing C-504 add detail C13, four pages, below.

Detail C13 drawing C-504/CP Test Station Typical Electrical Connections

Anode Wires Structure Wires Shunt 0.01 Ω

Detail C13 Drawing C-504 Recommendation:

All test stations and structures that are intended to be protected should be completed to satisfy the requirements in UFC 3-570-06, Suggest using Figure 2-23 from UFC 3-570-06.

http://www.wbdg.org/ccb/DOD/UFC/ufc_3_570_06.pdf

Anode Lead

Typical Shunt Used http://www.farwestcorrosion.com/index.html Holloway Type RS This 0.01 ohm shunt is rated at 6 amps and is made from #12 manganin wire. With a overall length of 5-3/4", the shunt can be bent to fit into small areas. The RS shunt is used for junction boxes, test stations and similar applications.

Detail C13 Drawing C-504 Typical Test Station Used http://www.farwestcorrosion.com/index.html Glenn 4 Test Station (or approved equal)

Plastic pipe, 3 1/2" I.D., also available in 4" I.D. 18" shaft length.

1. Durable cast iron cover and collar, ideal for curb installations.

2. Easy access for 5-wire terminals and constructed to accommodate pass-through studs if desired.

3. Yellow covers furnished unless otherwise specified. "C.P. TEST" imprinted on all covers.

4. Reasonable priced and versatile enough to suit most requirements.

Heavy cast iron locking covers for protection on both Mini and Glenn 4. Patented Venti cover has a pentagonal bolt cast in the center, requiring only a quarter turn for locking.

Terminal blocks are made of polyester laminate reinforced with fiberglass. Machine screws and nuts are 1/4" x 20 thread nickel plated. Lockwashers are nickel plated. Lightning gap type arresters can be set for a gap distance from 4 to 40 mils. Brass shorting straps supplied are approximately 40 mils thick and can be used as a gauge for setting gap distances.

Detail C13 Drawing C-504 Side View of Installation Ground Level Cement/Concrete Slab 12” X 12” X 4” to 6 “

CP TEST Station Shaft

Top View of Installation12 Inches

TEST

CP

Cement/Concrete Slab 12 Inches image3.jpeg image4.jpeg image5.jpeg image6.jpeg image1.jpeg image2.jpeg