1000.6e - 00901-5 - Addendum No. 5 - Complete with Drawings.pdf

09/27/2024 00901-1 JVA 1000.6e

SECTION 00901

ADDENDUM NO. 5

City of Idaho Springs JVA, Incorporated

Highway 103 Waterline Replacement 1319 Spruce Street

1711 Miner Street

Idaho Springs, CO 80452

Boulder, CO 80302

(303) 444-1951

PART 1 GENERAL

1.1 DESCRIPTION

A. This addendum forms a part of the Bidding and Contract Documents and modifies the

Project Manual and Plans as described below

B. This addendum consists of fourteen (14) pages and two (2) drawings.

1.2 ACKNOWLEDGMENT

A. Acknowledge receipt of this addendum in the space provided on the Bidder’s

Certification form.

PART 2 CONTRACTOR QUESTIONS

A. Email Questions

1. Q: Would the City consider extending the bid date by at least a week, based on the complexity and size of the project, a little more time would benefit the city so the contractors can insure a competitive bid and preliminary schedule. We would also like to be able to see any questions that were asked and have time to respond / interpret the questions before the project bids. We would like to be able to see any questions that were asked and have time to respond / interpret the questions before the project bids. If the discussed question deadline of September 18th and response by

September 20th , this give 5 days to release the info to our subs and get quotes back with in a five-day window, If the date was extended to the following week , 10/2 this would give a total of 9 days to acquire quotes based on any questions that were asked and allow for a more competitive bid and proposed schedule.

A: Yes, bid date can be extended.

2. Q: Is Builders Risk insurance required for this project.

A: Refer to Section 00700.6.04 for requirements on Builders Risk Insurance.

3. Q: For tree removal is a licensed arborist required

A: No

4. Q: Please confirm the question deadline of September 18th vs September 12th.

A: Rocky Mountain E-Purchasing System incorrectly listed the last day for questions as Thursday, September 12, 2024. Contract times clarified in Addendum No. 3.

09/27/2024 00901-2 JVA 1000.6e

5. Q: The bid form indicates 16,450 LF of No Rock pipe and 6000 LF of Rock pipe for a total of 22450 LF of pipeline. Drawings show 16450 LF of pipeline.

A: Geotech bore No.’s 7, 8, 9, 10, and 14 indicate rock digging or refusal approximately four-feet to six-feet below surface. The spacing along these bores is approximately 6,000 feet. For these portions of the alignment, it is assumed the upper approximate 5-feet of digging NOT ROCK, and the lower approximate 5-feet of digging in considered ROCK excavation.

6. Q: Does the city have a dump site for the Excess Cut?

A: No. Excess cut can be temporarily staged on site at pre-determined locations confirmed by the City and/or CDOT but will need to be hauled offsite.

7. Q: Can the city provide compaction and dust control water? Is there a charge for the water?

A: Water can be made available at nearby hydrants or from a City fill station inside

City Limits. Contractor will be responsible to rent water meter and to pay for water.

8. Q: Would we be able to mill the existing asphalt and leave in place in advance of the pipeline installation?

A: All work in Hwy 103 must comply with CDOT specifications and requirements.

This will depend on requirements of CDOT Utility and Special Use Permit for the work within the State highway right-of-way. At a minimum CDOT standard specification section 304 and 401 should be adhered to. Hwy 103 has been milled and overlayed at least on two (2) occasions and asphalt depths may vary, it is typical to replace in kind.

9. Q: Are the services shown in black to be completely replaced up to the meter pit?

A: Yes

10. Q: Are there restrictions on what time of year the temporary stream crossing can take place?

A: No, however we encourage contractors to plan for stream crossings at times of seasonally low-flow periods

11. Q: Will lane closures be allowed over night?

A: All work in Hwy 103 must comply with CDOT specifications and requirements.

Specific constraints will depend on requirements of CDOT Utility and Special Use

Permit for the work within the State highway right-of-way.

12. Q: Is the contractor required to carry a 404 water discharge permit?

A: The contractor is required to obtain all necessary permits needed to complete the work. We anticipate a 404 water discharge permit is covered by the Nationwide

Permit included as part of the Contract Documents. We also anticipate a CDPHE

Dewatering General Permit (COG080000 – Discharges from Short-term (< 2 year)

Construction Dewatering Activities) will be required.

13. Q: Does this project have a buy America requirement?

A: No

14. Q: Can millings be used as a temporary patch surface?

A: This will depend on requirements of CDOT Utility and Special Use Permit for the work within the State highway right-of-way. At a minimum CDOT standard specification section 304 and 401 should be adhered to. Hwy 103 has been milled and overlayed at least on two (2) occasions and asphalt depths may vary, it is typical to replace in kind.

15. Q: What is the paving section for bid items items 8 & 11?

09/27/2024 00901-3 JVA 1000.6e

A: Item 8 includes 8-inches of ABC Class 6 Road Base. Item 11 includes 6-inches of

SX 75 PG 64-28 HMA.

16. Q: What is the existing paving section on highway 103?

A: Geotechnical borings results indicate asphalt depth ranging from 3 to 7.25-inches.

Hwy 103 has been milled and overlayed at least on two (2) occasions and asphalt depths may vary, it is typical to replace in kind.

17. Q: Where is the project staging area located?

A: Staging areas will be available at the bottom (north) end of the alignment (the entire parking lot can be utilized) and the top (south) end of the alignment near the water treatment plant

18. Q: Are trench plates allowed?

A: Yes, but this may also depend on requirements of CDOT Utility and Special Use

Permit for the work within the State highway right-of-way.

19. Q: Are temporary traffic signals allowed overnight?

A: Possibly. This will depend on requirements of CDOT Utility and Special Use

Permit for the work within the State highway right-of-way.

20. Q: The trench detail on CD2.2 references squeegee bedding, however Section 02300

2.1 H “Pipe Embedment” references ¾”-1” crushed rock. Please clarify what pipe bedding should be used.

A: Assume ¾” – 1” crushed rock for pipe bedding.

21. Q: Section 2300 2.1 Materials C.2 Rock Excavation classified as material that cannot be reasonably removed by means of ripping, however Section 2300 2.1 Materials C.3 seems to contradict C.2. Please clarify rock excavation definition.

A: Rock excavation is classified per 02300.2.1.C.2.

Any material not able to be removed in accordance with this section may require alternative means which are not currently included with the contract or unit pricing and would need to be negotiated and agreed at that time.

22. Q: If blasting is required to excavate sections of the waterline trench, will a separate pay item be provided for Rock ripping vs. blasting?

A: Blasting is not allowed

23. Q: If blasting is required will re-use of the rock spoils be permitted if it is crushed and placed back into the trench?

A: Blasting is not allowed

24. Q: If blasting is required and back-break occurs along the face of the trench, how far back will the back break need to be chased / removed?

A: Blasting is not allowed

25. Q: If blasting is required, what scale distance formula must be followed for ground vibration and existing utilities.

A: Blasting is not allowed

26. Q: Can a blasting specification be provided?

A: Blasting is not allowed

27. Q: Does the city have an approved dump site available for trench spoils?

A: No. Spoils must be removed offsite and disposed of by Contractor

28. Q: Is funding in place for this project?

A: Yes

29. Q: Can butterfly valves be used in lieu of gate valves?

A: No

09/27/2024 00901-4 JVA 1000.6e

30. Q: Multiple erosion control plans appear to be missing from the plan set, can the remainder of the erosion control plans be provided?

A: A single sheet of an example erosion control plan is shown as a reference only.

Contractor is responsible for developing the complete erosion control plan, installing, maintaining, and removal as required during construction and as required to meet

City, County, and State requirements (e.g. dewatering general permit).

31. Q: The bury depths on the bid form do not match the bury depths in the procedures for unit pricing. Please clarify bury depths

A: Bury depths are shown on profile drawings. Design intent is to maintain minimum

7-foot bury depth over new pipeline, except in areas where needing to cross under existing waterline with approximately 7-foot bury depth.

32. Q: What tax costs are to be included? Article 21 states the project is tax exempt but

Article 7 states all tax costs are to be included

A: The City is tax Exempt

33. Q:Are both the City of Idaho Springs and Clear Creek County permit costs to be account for?

A: The contractor is required to obtain all necessary permits needed to complete the work.

34. Q: Seeding is not shown on the erosion control plans, is seeding required in disturbed areas?

A: Seeding is required in areas where construction disturbs areas with native seed established.

35. Q: Can a separate pay item be provided for CMP replacement?

A: Yes. A pay item has been added. As no CMP is anticipated to be replaced, the bid form is showing a quantity of 0 LF.

36. Q: Are the services shown in black to be completely replaced up to the meter pit?

A: Yes

37. Q: Can you please confirm if there are any AIS or BABA requirements for this project?

A: AIS/BABA is not a requirement for this project.

38. Q: I note 16,436 lf of 16” PVC on the plans. There are three 16” PVC bid items totaling 22,450 lf. Is the cost for bid item 16, just the cost over and above bid item

14, or is it to be costed as an entirely separate item?

A: Geotech bore No.’s 7, 8, 9, 10, and 14 indicate rock digging or refusal approximately four-feet to six-feet below surface. The spacing along these bores is approximately 6,000 feet. For these portions of the alignment, it is assumed the upper approximate 5-feet of digging NOT ROCK, and the lower approximate 5-feet of digging in considered ROCK excavation.

39. Q: We found 16,436.19 LF of 16” main line and an additional 26 LF of 16” associated with stub outs on Sheet C2.28, for a total of 16,463 LF. Can you please provide clarification on Bid Items 14-16? The measurement and payment seem to indicate that PVC is part of each one of these bid items, but we did not find 22,450

LF.

A: Geotech bore No.’s 7, 8, 9, 10, and 14 indicate rock digging or refusal approximately four-feet to six-feet below surface. The spacing along these bores is approximately 6,000 feet. For these portions of the alignment, it is assumed the upper

09/27/2024 00901-5 JVA 1000.6e approximate 5-feet of digging NOT ROCK, and the lower approximate 5-feet of digging in considered ROCK excavation.

40. Q:Regarding the water main raising on Sheet C2.24, this is the only location we find a callout for blue board insulation.

a. This callout indicates a requirement for blue board for any bury depth under 7-ft.

Will blue board insulation be required for Bid Item 16, and if so, what thickness?

b. What is the compressive strength requirement for the blue board? Standard blue board comes in 25 psi.

c. Can you please provide a detail for the blue board insulation requirements?

A: Blue board is required for any portions of the pipe with less than 7-foot bury depth. 1-inch of insulation is required for each foot less than the minimum 7-foot bury depth. 25 psi blue board is acceptable.

41. Q: The project specifications call for DR21 C900 PVC, however, Idaho Springs specifications call for DR14. Can you please confirm the dimension ratio for this project?

A: Provide DR14

42. Q: We find a total of twenty (20) 16” direct -bury valves.

a. Are the two gate valves on the stub outs on Sheet C2.28 incidental to the 16” Tees in Bid Item 18?

b. Is the BFV callout at STA 113+65.69 on Sheet C2.18 a typo? This would be the

18th gate valve on the main line.

A: Gate valves are accounted for separately except as detailed with tie-ins. The BFV callout on sheet C2.18 is a typo. Quantities are updated on the bid form with

Addendum No. 5.

43. Q: Paragraph 2.7.A, on page 16 of Section 02510 within the project specifications states the hydrants are to be provided by Idaho Springs.

a. Is this accurate?

b. Who is responsible for providing hydrant extensions?

c. If the contractor is responsible for extensions, what brand of hydrant is being provided by the City?

A: Hydrants are to be supplied by the Contractor. Manufacturers are in accordance with 02510.2.7.B.

44. Q: Where is the Intermediate Tie-In (Bid Item 37)?

A: The Intermediate Tie-In is not shown. The location will be determined after project award in collaboration with the low responsive bidder.

45. Q: The Payment Procedures specification indicates bid item 14 is from 8’ depth, bid item 15 is from 8’ to 12’ depth, and bid item 16 is from 8’ depth. The bid form indicates that bid item 14 is from 9’ depth, bid item 15 is from 9’ to 14’ depth, and that bid item 16 is from 5’ depth. Please confirm correct bury depth requirements for each bid item.

A: Bury depths are shown on profile drawings. Design intent is to maintain minimum

7-foot bury depth over new pipeline, except in areas where needing to cross under existing waterline with approximately 7-foot bury depth.

46. Q: Is road base required to be installed underneath the asphalt as part of the asphalt replacement item? If so, is that quantity of road base captured within bid item 8 or is it to be included in bid item 11?

09/27/2024 00901-6 JVA 1000.6e

47. A: Yes, road base is required under new asphalt. Road based is covered by bid item

No. 8. Asphalt is covered by bid item 11.

48. Q: The water service connection quantities listed on plan sheet G0.3 seem to differ from the bid item quantities. Please confirm water service connection quantities.

A: Use the quantities on the bid form.

49. Q: The Agreement provides for a substantial completion date of 12/31/25 and a final completion date of 1/31/26. The Notice to Proceed provides for 180 calendar days to substantial completion and 30 days for final completion. Please confirm the contract time for the project.

A: Substantial completion is 12/31/25 and a final completion is 1/31/26.

50. Q: Spec section 01400 indicates that the owner will provide testing for earthwork while the contractor will be responsible for the water distribution system and disinfection. Will the owner be responsible for asphalt and concrete testing as part of earthwork testing?

A: Owner will be responsible for asphalt testing. Concrete testing for concrete encasement is not anticipated required.

51. Q: Spec section 02510.2.1.B.2 indicates that fire hydrant lateral piping is to be PVC.

Spec section 02510.2.2.B.1 indicates that fire hydrant lateral piping is to be DIP.

Plans indicates fire hydrant lateral piping as DIP. Please confirm that DIP is the correct material for fire hydrant lateral piping.

A: DIP is the correct material for fire hydrant lateral piping.

52. Q: During the prebid meeting there was mention of partial project funding through a

Federal grant. Please confirm that there are no Federal contracting requirements (i.e.

Davis Bacon wages, AIS or BABA, MWSDBE requirements, etc.).

A: AIS/BABA/MSWDBE are not a project requirement.

53. Q: Sta 113+63.44 on plan sheet C2.18 calls out a 16” BFV. Is this intended to be a

16” GV?

A: Yes, this is a typo and is intended to be a gate valve.

54. Q: The notes reference that is the contractor's responsibility to replace as needed the culverts that will be crossed during the construction of the water line. Is there any information on witch may need to be fixed it is not real feasible to look at all of the roughly 27 locations.

A: It is the design intent to protect all storm culvert crossings and inlet/outlets when crossing these utilities. A unit price has been added for CMP replacement, but the quantity is listed as zero (0), as the actual quantity of CMP culvert replacement is unknown at this time.

55. Q: Is the intent to have Item 8 - Road Base pay for the 6" of base under the asphalt and also as needed to restore existing road base?

A: Road based is covered by bid item No. 8. Asphalt is covered by bid item 11.

56. Q: Is the flow fill item intended to cover only the stream crossing areas or is it intended to be used for the culvert and existing utility crossing's as well.

A: Flow fill is intended to cover stream crossings and culvert/utility crossings in areas where good compaction may be difficult to achieve around existing utilities.

57. Q: Does the EMR and Safety records for any subs over 10% really need to be submitted with the bid. This could become an issue because we usually don't know who we are using until the last minute.

A: Yes.

09/27/2024 00901-7 JVA 1000.6e

58. Q: Is the 16" Butterfly Valve at STA 113+65.69 intended to be included with the

Gate Valves

A: Yes, BFV is a typo and corrected with Addendum No. 5.

59. Q: I was only able to find 2 8" Service connections but the bid tabs shows 2, can you point me to the additional 8 inch connections

A: There are three 8-inch connections. One should be for Clear Creek School District

(CCSD) school, the second is for the CCSD bus facility located adjacent (south) of the school, the third is for the connection to the PRV vault in the parking lot at the bottom of the alignment (north end).

60. Q: There is only 1 Air Rleaf Valve shown in the plans but the bid tabulation has 3, where are the additional 2?

A: ARVs are required at intermediate high points shown on Sheets C2.28, 2.24, and

2.20

61. Q: Is a tee patch needed when paving back on the main HWY 103

A: All work in Hwy 103 must comply with CDOT specifications and requirements.

T-patching is only applicable at private drives and service crossings.

CDOT Standard Specification Section 405 Heating and Scarifying Treatment, which may also be considered for T-Patches

62. Q: Is there a detail for Bid item 27: Riprap , not seeing this in the plans

A: Riprap is covered by Note 17 on the Plan and Profile Drawings. There is no detail provided. The design intent is to armor the disturbed banks at stream crossings with salvaged material from the excavation.

63. Q: Is the Export Excess cut inteded for all material that is excavated and deemed not worthy of back fill, including any flow fill spoils?

A: Yes

64. Q: Where is the concrete encasement - Item 33, I'm not able to find one called out in the plans, no detail is given either.

A: Concrete encasement is shown on the Drawings re-issued with Addendum No. 3 on the profile drawings. Details are also provided on Drawing CD2.3

B. Bidnetdirect Questions

1. Q1: Re: corrupted file

A: Answered on Bidnetdirect with Addendum No. 1 and No. 2

2. Q2: Re: corrupted file

A: Answered on Bidnetdirect with Addendum No. 1 and No. 2

3. Q3 Re: corrupted file

A: Answered on Bidnetdirect with Addendum No. 1 and No. 2

4. Q4: Asphalt Paving: What type of asphalt is required for restoration?

A: All work in Hwy 103 must comply with CDOT specifications and requirements. 6-inches of SX 75 PG 64-28 HMA within CDOT ROW. Refer to CDOT Construction

Specifications Division 400, Section 401 for more information.

5. Q5: Asphalt Patching: There is conflicting information in the details on what thickness of asphalt and road base will be required. Can you please clarify?

a. All work in Hwy 103 must comply with CDOT specifications and requirements.

At a minimum, provide 6-inch asphalt over ABC 8-inch Class 6 road base. Hwy

103 has been milled and overlayed at least on two (2) occasions and asphalt

09/27/2024 00901-8 JVA 1000.6e depths may vary, it is typical to replace in kind. Geotechnical borings results indicate asphalt depth ranging from 3 to 7.25-inches. Refer to CDOT Standard

Specification Sections 304 and 401 for more information.

6. Q6: "T - Patching", Will “T-Patching” be required?

A: All work in Hwy 103 must comply with CDOT specifications and requirements.

T-patching is only applicable at private drives and service crossings.

CDOT Standard Specification Section 405 Heating and Scarifying Treatment, which may also be considered for T-Patches

7. Q7: Bid question deadline in the documents differs from the project manual please clarify the question deadline date.

A: Addendum No. 1 clarifies question deadlines

8. Q8: Excavated materials.

8.1 - If there are excess materials are they removed at contractors' expense

A: Yes

8.2 Does a Water management plan need to be created for creek crossings?

A: Creek crossings will be governed by the USACE Nationwide Permit. Dewatering should be in accordance with the Contractor’s stormwater permit.

8.3 Can dewatering be pumped into creek or Drainage?

A: Dewatering requirements should be specified in the Contractor’s State/CDPHE

Groundwater Discharge Permit.

PART 3 PROJECT MANUAL

3.1 SECTION 00410 – BID FORM FOR CONSTRUCTION CONTRACT

A. DELETE the following:

Item

No.

Description Unit Estimated

Quantity

Bid Unit

Price

Bid Amount

1 Mobilization / Demobilization Lump Sum 1 $

2 Construction Surveying N/A 1 $

3 Demolish Existing Asphalt SY 21,130 $

4 Tree Removal Each 40 $

5 Clear and Grub Acres 2 $

6 Export Excess Cut CY 8,100 $

7 Maintenance of Traffic Lump Sum 1 $

8 Road Base Tons 6180 $

11 Asphalt Paving Tons 6180 $

12 Painted Striping LF 39,160 $

13 Signage (remove and reset) Each 8 $

14 Water Pipe Installation – 16”

PVC C900 Main from 9 ft bury depth (No Rock)

LF 16300 $

15 Water Pipe Installation – 16”

PVC C900 Main from 9 ft-14ft bury depth (No Rock)

LF 150 $

16 Water Pipe Installation – 16”

PVC C900 Main from 5 ft bury depth (Rock)

LF 6000 $

17 Gate Valve 16” with Box Each 17 $

09/27/2024 00901-9 JVA 1000.6e

18 Tee – 16” Each 2 $

19 Bend – 16” (45 degrees or less) with Thrust Block

Each 51 $

20 Fire Hydrant Assembly Each 3 $

21 Connecting to Existing Water

Services, <1-1/2-inch Tap

Each 65 $

22 Connecting to Existing Water

Services, 1-1/2-inch to 2-inch

Tap

Each 5 $

22 Connecting to Existing Water

Services, 4-inch Tap

Each 1 $

24 Connecting to Existing Water

Services, 6-inch Tap

Each 6 $

25 Connecting to Existing Water

Services, 8-inch Tap

Each 4 $

26 Erosion and Sediment Control Lump Sum 1 $

27 Riprap CY 300 $

28 Import Fill CY 6500 $

29 Air Relief Valves Each 3 $

30 Inlet/Outlet Protection Each 29 $

31 Dewatering Lump Sum 1 $

32 Flow Fill CY 320 $

33 Concrete Encasement CY 20 $

34 Temporary Stream Crossing Each 3 $

35 Reinforced Check Dams Each 3 $

36 Trench Stop Each 21 $

37 Intermediate Tie In Each 1 $

38 Green Tank Tie In Each 1 $

39 Vault Tie In Each 1 $

Total of All Unit Price Bid Items $

REPLACE with:

Item

No.

Description Unit Estimated

Quantity

Bid Unit

Price

Bid Amount

1 Mobilization / Demobilization Lump Sum 1 $

2 Construction Surveying N/A 1 $

3 Demolish Existing Asphalt SY 19610 $

4 Tree Removal Each 40 $

5 Clear and Grub Acres 2 $

6 Export Excess Cut CY 8,100 $

7 Maintenance of Traffic Lump Sum 1 $

8 Road Base Tons 6550 $

11 Asphalt Paving Tons 6400 $

12 Painted Striping LF 35000 $

13 Signage (remove and reset) Each 8 $

14 Water Pipe Installation – 16”

PVC C900 Main from 9 ft bury depth (No Rock)

LF 10470 $

15 Water Pipe Installation – 16”

PVC C900 Main from 9 ft-14ft bury depth (No Rock)

LF 150 $

16a Excavation and Backfill – 16- LF 6000 $

09/27/2024 00901-10 JVA 1000.6e inch PVC C905 Main above

Rock Excavation, 0 – 5 foot bury depth

16b Water Pipe Installation – 16-inch PVC C905 Main from 5 to

10 ft bury depth (Rock)

LF 6000 $

17 Gate Valve 16” with Box Each 19 $

18 Tee – 16” Each 2 $

19 Bend – 16” (45 degrees or less) with Thrust Block

Each 51 $

20 Fire Hydrant Assembly Each 3 $

21 Connecting to Existing Water

Services, <1-1/2-inch Tap

Each 65 $

22 Connecting to Existing Water

Services, 1-1/2-inch to 2-inch

Tap

Each 5 $

22 Connecting to Existing Water

Services, 4-inch Tap

Each 2 $

24 Connecting to Existing Water

Services, 6-inch Tap

Each 4 $

25 Connecting to Existing Water

Services, 8-inch Tap

Each 3 $

26 Erosion and Sediment Control Lump Sum 1 $

27 Riprap CY 300 $

28 Import Fill CY 6500 $

29 Air Relief Valves Each 3 $

30 Inlet/Outlet Protection Each 29 $

31 Dewatering Lump Sum 1 $

32 Flow Fill CY 320 $

33 Concrete Encasement CY 20 $

34 Temporary Stream Crossing Each 3 $

35 Reinforced Check Dams Each 3 $

36 Trench Stop Each 21 $

37 Intermediate Tie In Each 1 $

38 Green Tank Tie In Each 1 $

39 Vault Tie In Each 1 $

40 Seeding Each 1 $

41 Storm Line – 18” Corrugated

Metal Pipe

LF 0 $

Total of All Unit Price Bid Items $

3.2 SECTION 00550 – NOTICE TO PROCEED

A. DELETE the following:

The number of days to achieve Substantial Completion is 180 from the date stated above for the commencement of the Contract Times, resulting in a date for

Substantial Completion of [date, calculated from commencement date above];

and the number of days to achieve readiness for final payment is 30 from the commencement date of the Contract Times, resulting in a date for readiness for final payment of [date, calculated from commencement date above].

09/27/2024 00901-11 JVA 1000.6e

REPLACE with:

Substantial Completion shall be by December 31, 2025. Readiness for final payment shall be January 31, 2026.

3.3 SECTION 01200 – PAYMENT PROCEDURES

A. 1.4 PROCEDURES FOR UNIT PRICES

DELETE the following:

14. Bid Item No. 16: Water Pipe Installation – 16-inch PVC C900 Main from 8 ft bury depth (Rock), 14.a, 14.b.

REPLACE with the following:

14. Bid Item No. 16A: Excavation and Backfill – 16-inch PVC C905 Main above Rock

Excavation, 0 – 5 foot bury depth.

a. Description: No separate measurement for payment will be made for any labor, equipment, and materials required for this item. The measurement for payment for this item will be the by the linear foot of trench excavated and backfilled above rock excavation and pipe place as listed in the bid schedule. The unit price will include all of Contractor’s costs which are not specifically measured and paid for under other bid items. This bid item includes but is not limited to the following items installed or conducted in accordance with the Drawings and

Specifications or as otherwise directed by Engineer: locating and protecting all existing above and below ground utilities and connections along and around the item; topsoil removal, stockpiling, and replacement; excavating, backfilling, and compaction of excavations with suitable material(s); rock and muck excavation and backfill with suitable material(s); furnishing, transporting, and installing all materials as indicated; adjusting location of existing small utilities and valves;

tapping and/or connecting to pipes or structures and repairing all structures as necessary; removing and replacing surfacing materials, as required; excavating, including exploratory excavation; constructing the specific backfill including the furnishing, placing, and compacting of flowfill, sand, gravel, and rock;

supporting trenches as required; disposing of debris, pipe, excess excavated material, and damaged materials; testing; inspecting; and providing all other related and necessary labor, equipment, and materials to complete the Work not covered by other items in this section.

b. Unit of Measurement: Per actual number of linear feet of pipe installed. Payment will be based on the units completed and accepted of the Work required by this bid item.

15. Bid Item No. 16B: Water Pipe Installation – 16-inch PVC C905 Main from 5 to 10 ft bury depth (Rock)

a. Description: No separate measurement for payment will be made for any labor, equipment, and materials required for this item. The measurement for payment for this item will be the number of linear feet of pipe as listed in the bid schedule.

The unit price will include all of Contractor’s costs which are not specifically measured and paid for under other bid items. This bid item includes but is not limited to the following items installed or conducted in accordance with the

Drawings and Specifications or as otherwise directed by Engineer: locating and

09/27/2024 00901-12 JVA 1000.6e protecting all existing above and below ground utilities and connections along and around the item; topsoil removal, stockpiling, and replacement; excavating, backfilling, and compaction of excavations with suitable material(s); rock and muck excavation and backfill with suitable material(s); furnishing, transporting, and installing all pipe and materials as indicated; adjusting location of existing small utilities and valves; tapping and/or connecting to pipes or structures and repairing all structures as necessary; furnishing, transporting, and installing special fittings or items not otherwise provided for elsewhere in the Drawings and

Specifications; furnishing, transporting, and installing joining materials including

O-rings, gaskets, bolts, joint restraints, connecting bands, and other miscellaneous items; removing and replacing surfacing materials, as required;

excavating, including exploratory excavation; constructing the specific bedding including the furnishing, placing, and compacting of flowfill, sand, gravel, and rock; supporting trenches as required; disposing of debris, pipe, excess excavated material, and damaged materials; testing; inspecting; and providing all other related and necessary labor, equipment, and materials to complete the Work not covered by other items in this section.

b. Unit of Measurement: Per actual number of linear feet of pipe installed. Payment will be based on the units completed and accepted of the Work required by this bid item.

ADD the following:

Bid Item 40: Seeding

a. Description: No separate measurement for payment will be made for any labor, equipment, and materials required for this item. The measurement for payment will be the total number listed in the bid schedule and will include all of

Contractor’s costs. This bid item includes but is not limited to the following items installed or conducted in accordance with the Drawings and Specifications or as otherwise directed by Engineer: furnishing and installing all materials required to complete the Work; providing all materials, and installing seeding; providing and installing all ancillary erosion control items specified in the Drawings, and all other means and methods specified in the erosion control drawings;

inspecting; and providing all other related and necessary labor, equipment, and materials to complete the Work not covered by other items in this section.

b. Unit of Measurement: No measurement for payment will be made for this work. It shall be paid for at the Contract Lump Sum Price based upon the percentage completed and accepted of the work required by this bid item. One-third of the lump sum price for this item will be paid after twenty-five percent (25%) of the original Contract amount has been earned; the second third will be paid after fifty percent (50%) of the original Contract amount has been earned; and the final third upon final acceptance of the Project.

ADD the following:

Bid Item 41: Storm Line – 18” Corrugated Metal Pipe

a. Description: No separate measurement for payment will be made for any labor, equipment, and materials required for this item. The measurement for payment

09/27/2024 00901-13 JVA 1000.6e for this item will be the total number listed in the bid schedule and will include all of Contractor’s costs. This bid item includes but is not limited to the following items installed or conducted in accordance with the Drawings or Specifications or as otherwise directed by Engineer: locating and protecting all existing above and below ground utilities and connections along and around the item;

excavating, backfilling, and compaction of excavations with suitable material(s);

furnishing, transporting, and installing all pipe and materials as indicated;

tapping and/or connecting to pipes or structures and repairing all structures as necessary; furnishing, transporting, and installing special fittings or items not otherwise provided for elsewhere in the Drawings and Specifications; furnishing, transporting, and installing jointing materials including O-rings, gaskets, bolts, joint restraints, connecting bands, and other miscellaneous items; removing and replacing surfacing materials, as required; excavating, including exploratory excavation; constructing the specific bedding including the furnishing, placing, and compacting of sand, gravel, and rock; supporting trenches as required;

disposing of debris, pipe, excess excavated material, and damaged materials;

inspecting; and providing all other related and necessary labor, equipment, and materials to complete the Work not covered by other items in this section.

a. Unit of Measurement: Per actual number of linear feet of pipe installed. Payment will be based on the units completed and accepted of the Work required by this bid item.

3.4 SECTION 01400 – QUALITY CONTROL

A. 1.12 FIELD TESTING AND SERVICES SCHEDULED

ADD the following:

Specification

Section

Type of Material, Equipment, or System

Owner (O) or

Contractor (C)

Provided

02740 Asphalt Testing O

3.5 SECTION 02510 – WATER DISTRIBUTION SYSTEM

A. 1.1 REFERENCES

ADD the following under B. American Water Works Association (AWWA):

40. C905 – Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 14 In.

Through 48 In. (350 mm Through 1,200 mm)

B. 2.1 BID SCHEDULE

DELETE the following:

AWWA C900

REPLACE with:

09/27/2024 00901-14 JVA 1000.6e

AWWA C905

DELETE the following:

DR 21

REPLACE with:

DR 14

DELETE the following:

Working pressure rating: 250 psi rating

REPLACE with:

Working pressure rating: 305 psi rating

DELETE the following:

EBAA Iron Inc. “Series 2800”

REPLACE with:

EBAA Iron Inc. "Series 2100”

C. 2.7 FIRE HYDRANT

DELETE the following:

Fire hydrants to be supplied by the City of Idaho Springs. Contractor responsible for installation as indicated on the Drawings.

REPLACE with:

Contractor responsible for supply and installation as indicated on the Drawings.

PART 4 DRAWINGS

4.1 REPLACE DRAWINGS C2.18 AND C2.27 WITH THE SHEETS ATTACHED TO

THIS ADDENDUM

END OF SECTION

- 21-12-12

- 8-5-4

- 20-21-18

- 50/3

- 50/1

W A

TE

R

LI

N E P

LA

N A

N D P

R O

FI

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S

TA

+0 0- S

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C2.18

R E V

IS

IO

N D

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IP

TI

O N

D 'W

N D E S 'D

D A

TE

N O

DESIGNED BY:

DRAWN BY:

CHECKED BY:

JOB #:

DATE:

C

IT

Y O

F

ID

A H O S

P R

IN

G S

H W Y

W A

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LA

C E M E N T

SHEET NO.

JVA, Inc. 1319 Spruce Street www.jvajva.com Boulder, CO 80302 303.444.1951

Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver

1000.6e

SEPT 2024

MK

JGJ/AMF

NAS/JGJ

9/

/2

M K

JG

J

A D D E N D U M

W A

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N E P

LA

N A

N D P

R O

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+0 0- S

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+0

C2.27

R E V

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N D

E S C R

IP

TI

O N

D 'W

N D E S 'D

D A

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DESIGNED BY:

DRAWN BY:

CHECKED BY:

JOB #:

DATE:

C

IT

Y O

F

ID

A H O S

P R

IN

G S

H W Y

W A

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N E R

E P

LA

C E M E N T

SHEET NO.

JVA, Inc. 1319 Spruce Street www.jvajva.com Boulder, CO 80302 303.444.1951

Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver

1000.6e

SEPT 2024

MK

JGJ/AMF

NAS/JGJ

9/

/2

M K

JG

J

A D D E N D U M