B08_Attch_03_Addendum_001_20231228_24R0026.pdf

Solicitation 140P2024R0026

PMIS: CATO 250011

Specifications and Drawings Addendum 001 CATO 250011, Replace Parkwide Utility Infrastructure, Catoctin Mountain Park

28 December 2023

A. PROJECT INFORMATION:

1. PROJECT TITLE: Replace Parkwide Utility Infrastructure, Catoctin Mountain Park

2. PROJECT NUMBER: CATO 250011

B. BASIC PROJECT SCOPE:

1. The Contractor shall provide all labor, materials, transportation, equipment, rigging, and supervision to accomplish the work in accordance with the Project Specifications and Drawings.

2. This Project was previously solicited for construction in 2022 (Solicitation 140P2022R0078). Due to funding constraints, the Government has reduced the scope of work of the original 100% Construction Documents:

a. Original Base Bid work has been reduced.

b. Some Base Bid work has become Option work.

c. The originally-designed Option work has been eliminated.

The Contractor shall review this Addendum 001 and the associated documents listed in the Changes section below. Modifications to the original Construction Documents are shown as strikeouts and notations on the Drawings and Specifications and as described within this Addendum. In addition, a supplementary Geotechnical Engineering Report has been provided for Contractor information as further described in the Changes section below.

3. This Addendum work statement supplements the current Project Specifications and Drawings. Changes identified herein supersede requirements, as described below, of previous versions of the referenced documents.

C. CHANGES:

1. This Addendum contains a total of (5) 8 ½” x 11” pages as well as the following attachments:

a. Marked-up Drawings C20 – C36

b. Marked-up Specification Section 01 11 00 - Summary of Work.

i. Addendum 001 eliminated Options are struck-through.

c. Marked-up Specification Section 01 27 00 - Definition of Contract Line Items.

i. Addendum 001 eliminated Options are struck-through.

d. “Geotechnical Engineering Report” provided by DMY Engineering Consultants, Inc.

Dated October 5, 2023. The attached DMY report provides additional information to supplement the Specifications’ “Geotechnical Data Report” prepared by: Jacobs Engineering Group, Inc.

2. Base Bid and Options Work

a. The original Contract Prices Schedule is modified to eliminate the following Options shown throughout the Construction Documents:

000A1 OPTION 000A1, Fiber-Optic Homerun from Camp Round Meadow Gym to Visitor Center - Install empty conduit from Centralized Treatment Building handhole on Park Central Road to Visitor Center Comm Room

000A2 OPTION 000A2, Fiber-Optic Homerun from Camp Round Meadow Gym to Visitor Center - Install fiber optic home run in conduit installed in base bid and CLIN 000A1

000B OPTION 000B, Sanitary Sewer Replacement at Camp Greentop

000C OPTION 000C, Sanitary Sewer Laterals at Camp Misty Mount

000D OPTION 000D, Sanitary Sewer Laterals at Camp Greentop

000E OPTION 000E, Water Service Laterals at Camp Misty Mount

000F OPTION 000F, Replace Electrical Transformers and Feeders at Camp Misty Mount

000G OPTION 000G, Water Main Replacement from Ike Smith Well House to Owens Creek Campground

000H OPTION 000H, Water Service Laterals Replacement from Owens Creek Campground Mains to Comfort Stations

000I OPTION 000I, Copper Line Replacement from Greentop Stables to Post 5A

000J OPTION 000J, Demolish two 30,000 gallon FRP Tank at Camp Misty Mount

000K OPTION 000K, Demolish 30,000 gallon FRP Tank at Camp Round Meadow

000L OPTION 000L, Demolish 30,000 gallon FRP Tank at Camp Greentop

b. The Contractor shall not price nor perform Work for the Options identified throughout the specifications and drawings as 000A1-000L; however, the Contractor shall note these Options still appear throughout the Contract Documents and shall be disregarded. For clarity, these Options that are now removed from Contract Documents are shown struck through in the revised Contract Price Schedule.

c. New Options 000M-000R are included in the Contract Price Schedule. These new Options 000M-000R convert part of the previously Base Bid Work to Option Work. The new Option Work includes stations east of central water treatment building. The Contractor shall reference Sheets C20-C36 which are provided as part of this Addendum to identify previously “Base Bid” work that shall now be bid as “Option Work”. Work for these Options shall also include other corresponding sub sheets along the Option alignment (i.e. including but not limited to Sheets for Utility Detail, Erosion Control, Instrumentation and Controls, Electrical, etc.) and the Specifications.

d. The intent of the Option Work is to segment work from water system structure to structure (i.e. air release valve, hydrant, vault) and provide flushing capability at the termination of awarded Work.

e. BASE BID

i. Base Bid Work east of the central treatment plant shall end after the air release and vacuum valve assembly at STA 4+13.08 and shall include the addition of a manual air release hydrant to provide flushing capability. Note: if Option Work is awarded, the Base Bid manual air release hydrant addition shall not be required for flushing.

f. OPTIONS 000M – 000R

i. OPTION 000M

1. Sheet C20 to C23, STA 4+13.08 to STA 34+75; includes manual air release hydrant at STA 34+75.

ii. OPTION 000N

1. Sheet C23 to C26, STA 34+75 to STA 68+14.4; includes PRV vault at

STA 68+14.4.

iii. OPTION 000O

1. Sheet C26 to C28, STA 68+14.4 to STA 83+36; includes air release and vacuum valve assembly at STA 83+36.04 and the addition of a manual air release hydrant to provide flushing capability. Note: if Option 000P - 000R Work is awarded, the Option 000O air release hydrant addition shall not be required for flushing.

iv. OPTION 000P

1. Sheet C28 to C30, STA 83+36.04 to STA 96+85; includes air release hydrant at STA 96+85.

v. OPTION 000Q

1. Sheet C30 to C31, STA 96+85 to STA 115+45.80; includes PRV and flow meter vault.

vi. OPTION 000R

1. Sheet C31 STA 115+45.80 to STA 118+74.

2. Sheet C32 to C35, STA 0+00 to STA 43+47.03

3. Sheet C36, STA 0+00 to STA 3+88 (sewer)/STA 3+74 (water).

3. Reference Specification Section 01 31 00-10 - Project Management and Coordination; Paragraph

1.8.E.2.

a. In addition to the Indiana Bat, the Northern Long-Eared Bat has been reclassified as an endangered species. This final rule is available on the internet at https://www.regulations.gov. For access to the docket to read the November 30, 2022, final rule or other background documents, including the comments received on that final rule, go to https://www.regulations.gov and search for Docket No. FWS-R3-ES-2021- 0140.

b. Follow FWS protocol “Range-Wide Indiana Bat & Northern Long-Eared Bat Survey Guidelines” dated March 2023 which states potential roosts ≥5 inches dbh for Indiana Bat, ≥3 inches dbh for Northern Long-Eared Bat.

4. Reference Specification Section 01 32 16-6 - Construction Schedule; Paragraph 2.2:8:d:1) “Tree and shrub clearing is not permitted between May 1 and August 31 April 1 – November 14 to protect nesting birds and threatened/endangered bats.”

5. Blasting, if needed, may be authorized with an approved blasting plan. In accordance with Specification 01 35 25 – Explosives, Paragraph 1.4.C.6, the Contractor shall submit a blasting plan for NPS review and resolve any comments in advance of need. NPS shall review and provide comments to the Contractor within (30) calendar days of submission.

6. Reference Drawing Sheet C47 Fire Hydrant Detail: One valve on the branch to the Fire Hydrant is sufficient. Detail 5 on C48 is a general detail for valves at Tees.

7. Reference Specification Section 31 23 16-1, Paragraph 1.01.B: “Controlled Blasting: Refer to Section 31 23 16.27, Blasting Controls” is replaced with “Controlled Blasting: Refer to Section 01 35 25, Explosives.”

8. Reference Specification Section 33 13 00 Disinfection of Water Utility Distribution Facilities Paragraph 3.01.C: Replace: “Disinfect the following items installed or modified under this Project, intended to hold, transport, or otherwise contact potable water:” with “Disinfect the following items installed or modified under this Project, intended to hold, transport, or otherwise contact raw water or potable water:”

9. Reference Specification Section 33 05 01.12.03 Data Sheet, section POLYVINYL CHLORIDE (PVC)—CASING PIPE FOR HDPE UTILITIES: In lieu of a gasket, primer and glue may be used for protective pipe casings.

10. Reference Specification Section 33 05 13 Para 2.03: Standard manhole frame and cover is acceptable at all locations.

11. Reference Drawing Sheets C47 & C45 Round Meadow: Clarification: The Meter Vault detail on C45 is a 3” meter vault w/ 6x3 HDPE reducers on both sides beyond the 3” gate valves. The Meter Vault detail references the Gate Valve and Valve Box detail 7 on C48, which in turn references details 2 through 5 on C48. All of these details anticipate ductile iron pipe between the valves, with adapters to transition to HDPE beyond the upstream and downstream valves. The 6x3 HDPE reducers are to be directly beyond the adapters.

12. Reference Drawing Sheets C50 & C51: The notes and details on sheets C50 & C51 take precedence over the scaled dimensions measured on some of the site plans. The utility spacing dimensions in the notes and details on C50 and C51 are the minimum requirements. In plan view, there are multiple instances where the parallel lines had to be spaced farther apart in the CAD file to be able to visually distinguish as separate lines. Clear area shall be minimized per Note 5.

13. Reference Drawing Sheet C48, Detail 8: Electrofusion or butt joining is acceptable.

14. Reference Drawing Sheet C6, Note 3: Demolish segments of underground infrastructure encountered within the trench alignments in order only to the extent necessary to install this project as designed.

15. Reference Specification Section 33 82 00 Telecommunications Outside Plant: Fiber splices will be fusion. Connectors will be LC. If there is a case where equipment does not offer LC ports, but does offer SC ports, then SC connectors can be used in that case.

16. MDE plan review is complete. MDE plan # 22-SF-0017 was approved on April 14, 2022. Please refer to specification 01 57 23 Temporary Stormwater Pollution Prevention for contractor responsibilities. Paragraph 1.3.A lists the contractor requirements to prepare and submit an electronic Notice of Intent a minimum of 30 days prior to starting land disturbance.

17. Reference Specification Section 01 31 00 Paragraph 1.9.B.1.: Replace “Erosion/Sediment Control (ESC) and Stormwater Management Plan Approval is acquired with identification number 22-SF- 0017; approval date ____________. The Agency(ies) with Jurisdiction for this permit is the Maryland Department of the Environment (MDE).” with, “Erosion/Sediment Control (ESC) and Stormwater Management Plan Approval was acquired with identification number 22-SF-0017;

approval date April 14, 2022. The Agency with Jurisdiction for this permit is the Maryland Department of the Environment (MDE).”

18. Reference Specification Section 01 32 16-6, Paragraph 2.2.8.d.2: Delete: “Utility installations crossing streams must not begin before October 1, 2022 and must be complete by April 30, 2023.” Replace with, “in-stream work may not be conducted from October 1 through April 30, inclusive, of any year”

19. Reference Specification Section 01 32 16-6, Paragraph 2.2.8.d.3: Delete: “2022.” Replace with, “inclusive, of any year”

20. Reference Specification Section 01 31 00 Paragraph 1.9.B.2.: Replace “A permit was acquired for a Section 404/State Programmatic General Permit-GP-5, Nontidal Wetlands and Waterways Permit; which includes a CWA 401 Water Quality Certification with identification number 21NT-3151; approval date ___________. The Agency(ies) with Jurisdiction for this permit is the MDE.” with, “A permit was acquired for a Section 404/State Programmatic General Permit-GP- 5, Nontidal Wetlands and Waterways Permit; which includes a CWA 401 Water Quality Certification with identification number 21-NT-3151/202161380; approval date April 11, 2022.

The Agency with Jurisdiction for this permit is the MDE.”

21. Reference Drawing C5 Detail 7: Clarification: Delete Note 3 last sentence: “Costs under this option shall be part of the unit price bid for excavation.”

22. Reference Specification Section 26 13 16.04-2, Paragraph 2.02.A: Delete: “Eaton's Cooper Power™ series”.

4 Attachments:

1. Marked-up Drawings C20 – C36

2. Marked-up Specification Section 01 11 00 - Summary of Work

3. Marked-up Specification Section 01 27 00 - Definition of Contract Line Items.

4. Geotechnical Engineering Report” provided by DMY Engineering Consultants, Inc. Dated October 5, 2023.

End of Specifications and Drawings Addendum 001

CATO - 250011 01 11 00 - 1

091015 SUMMARY OF WORK

SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Work covered by the Contract Documents.

2. Work phases.

3. Work under other contracts.

4. Government Furnished Materials.

5. Contractor use of premises.

6. Public use of site.

7. Occupancy requirements for buildings.

8. Work Restrictions.

9. Special Construction Requirements.

10. Soils Investigation Report.

11. Additional Reports.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Location: Catoctin Mountain Park, Thurmont, Frederick County, Maryland. Visitor Center, Camp Misty Mount, and Camp Greentop along Park Central Road. Camp Round Meadow along Manahan Road. Owens Creek Campground along Foxville Deerfield Road.

B. The Work consists of the following:

1. The Work required in the base scope as described in Section 01 27 00, Definition of Contract Line Items, includes the following upgrades to major system features at each of the Developed Areas, as described herein but not limited to:

a. General Conditions:

1) Include General Requirements, Mobilization/Demobilization, Erosion Control, Maintenance of Traffic, Surface Restoration, as required to complete the Work in the Visitor Center, Camp Misty Mount, Camp Greentop, Camp Round Meadow, and Owens Creek Campground Developed Areas per Contract Specifications and Drawings.

b. Centralized Treatment Building and Water Storage Tank Area:

1) Centralized Treatment Building

a) Construct new CMU building with metal trusses and metal decking roof system, electrical room, and associated mechanical and electrical systems per applicable building codes.

b) 8-inch CMU interior and exterior walls will be provided. The exterior walls will be covered with fluid applied vapor retarder, 3-inch rigid insulation (R-15), and cedar siding.

c) Foundation will consist of a concrete floor slab with concrete strip footing.

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d) Paint interior masonry walls with epoxy paint system. Paint concrete floors with chemical resistant non-slip epoxy paint system. Paint exterior wood siding with acrylic latex paint system.

e) Install emergency safety shower and eyewash in the Chemical Treatment Room. Install water heater, booster pump, and hose bibs.

f) Install new 3-inch Schedule 80 PVC water piping, valves and accessories with new magnetic flow meter for the raw water from the wells.

g) Install new chemical metering pumps and tanks, as well as injection quills, a static mixer, and level sensors for sodium hypochlorite and sodium hydroxide (caustic) chemical systems.

h) Install new water quality analyzer.

i) Install new pipe manifold to supply water to each camp and a blowoff line with isolation valves.

j) Install portable emergency generator hookup and manual transfer switch.

k) Install new 150 kVA transformer with panelboard and manual transfer switch.

l) Install new feeder conductors in conduit and 3-phase panelboard.

m) Install two-unit heaters, exhaust fan, and A/C unit.

n) Install new cartridge filters. This line item will be exercised if

Maryland Department of the Environment concludes that Well 5A is considered groundwater under the direct influence of surface water after sampling is completed as defined under Well 5A Development Area scope.

2) Water Storage Tank

a) Construct new 60,000-gallon cast-in-place concrete below-grade water storage tank, divided into two 30,000-gallon water basins by an interior wall including slide gate. Provide mixing devices in each basin.

b) Install two aluminum access doors in the top slab with wall-mounted stainless steel ladders with safety post.

c) Provide plastic waterstops at the wall base construction joints to prevent the passage of fluid.

d) Paint interior walls with epoxy paint system rated for potable water.

e) Install two ultrasonic level elements and transmitted with signal transmitted to PLC.

f) Install individual motor starters and local panel for the mixers in the centralized treatment building electrical room.

3) Raw Water Mains

a) Install new 3-inch HDPE pipe from Jim Brown Wells to convey the untreated water to the new Centralized Treatment Building.

b) Install new 2-inch HDPE pipe from well 5A to intertie location with 3-inch HDPE pipe from Jim Brown Wells.

4) Water Transmission Mains

a) Install new 8-inch HDPE water line from Centralized Treatment

Building along Park Central Road to Camp Greentop existing intertie connection.

b) Install new 8-inch HDPE water line from Centralized Treatment Building to 6-inch reducer along Park Central Road shoulder. Install 6-inch HDPE water line to Camp Round Meadow along Park Central Road and Manahan Road shoulders, including 6-inch pressure reducing

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concrete vault which includes a main 6-inch PRV, a 1-½-inch low flow bypass PRV, and a 6-inch pressure relief valve.

c) Install new 8-inch HDPE water line along Park Central Road shoulder to Camp Misty Mount 6-inch reducer. Includes two 6-inch pressure reducing concrete vault which includes a main 6-inch PRV, a 1-1/2-inch low flow bypass PRV, and a 6-inch pressure relief valve.

d) Install new 2-inch HDPE water line from Park Central Road to Chestnut Picnic Area Comfort Stations.

5) Instrumentation & Controls

a) Install new instrumentation and a new PLC control system for monitoring and controlling the treatment process at the Centralized Treatment Building and Water Storage Tank.

b) Provide a PLC control panel at the Centralized Treatment Building with an operator interface touchscreen (OIT).

6) Communications:

a) Install new fiber-optic communications to this node. Install fiber termination equipment in the PLC control panel.

c. Camp Misty Mount/Visitor Center

1) Blue Blazes Well House 1

a) Abandon in-place.

2) Blue Blazes Well 1 (existing well, existing equipment located inside of existing building)

a) Disconnect wellhead discharge and cap inside of wellhouse, remove and dispose of all downhole equipment including wellhead seal and affix watertight locking cap to wellhead casing that meets the requirements for a monitoring well per Maryland Department of the Environment requirements.

3) Blue Blazes Well House 2

a) Abandon in-place.

4) Blue Blazes Well 2 (existing well, existing equipment located inside of existing building)

a) Disconnect wellhead discharge and cap inside of wellhouse, remove and dispose of all downhole equipment including wellhead seal and affix watertight locking cap to wellhead casing that meets the requirements for a monitoring well per Maryland Department of the Environment requirements.

5) Misty Mount Water Storage Tank

a) Remove existing ladder.

b) Decommission and partially demolish two existing 30,000-gallon underground FRP water tanks. Cut top of tank to grade, backfill to existing tank footprint, and complete surface restoration.

6) Water Mains

a) Install new 6-inch HDPE water mains from Camp Misty Mount to the

Visitor Center including 6-inch pressure reducing concrete vault which includes a main 6-inch PRV, a 1-1/2-inch low flow bypass PRV, and a 6-inch pressure relief valve.

b) Install six new fire hydrants.

c) Installation methods shall be open trench and include adapters, fittings, and required appurtenances for a complete and properly installed system.

d) Connect existing building service lines to the new water main.

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e) Replace existing PRVs inside buildings PG150, Maintenance Shop, Building 167, and Visitor Center. Installation to be coordinated with the Contracting Officer.

7) Sanitary Sewer

a) Remove existing 4-inch sewer mains and manholes.

b) Install new 6-inch Schedule 40 PVC sewer mains and manholes from

Camp Misty Mount to the Visitor Center.

c) Connect existing building laterals to the new sanitary sewer main or manholes.

8) Site Electrical

a) Replace two existing liquid-filled (PCB) transformers at the Visitor Center Area.

b) Install new primary feeder conductors using existing 4-inch PVC conduits for the feeder where we are locating the requested metering unit. This feeder is routed between two junction boxes. Replacement of a few feeders routed from power utility metering to junction boxes will be needed for locating the requested pad-mounted load interrupted switch. The entire length of the feeder from power utility metering to the transformer feeding the Visitor Center needs to be replaced since existing documents show no junction box in this run. A new junction box will need to be installed downstream of the new load interrupter switch to distribute power to the Visitor Center transformer and junction boxes that feed existing transformers downstream.

c) Install two new 15 kV, 200A pad-mounted primary load disconnect switches downstream of the existing utility metering.

d) Install new metering unit on the 15-kilovolt (kV) power feed to Camp Misty Mount.

9) Instrumentation & Controls

a) Install one new sanitary sewer flow meter inside an existing manhole just south of the Visitor Center to monitor sanitary sewer flow. This meter is local read only (not on SCADA network) and will be powered by 120 VAC power.

b) Install two new concrete vaults to monitor drinking water flow consumed by campers at Misty Mount. These meters are local read only (not on SCADA network) and do not require battery or 120 VAC power.

c) There is no PLC at Misty Mount.

10) Communications:

a) There is no fiber being provided to Misty Mount under the base bid. A homerun fiber from the Round Meadow Gym to the Visitor Center is an option.

d. Camp Greentop

1) Ike Smith Booster Station and Tank

a) Building and adjoining water tank will be abandoned in place.

2) Greentop Water Storage Tank

a) Remove existing ladders.

b) Decommission and partially demolish existing 30,000-gallon underground FRP water tank. Cut top of tank to grade, backfill to existing tank footprint, and complete surface restoration.

3) Water

a) Install one new fire hydrant.

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4) Greentop Sewage Lift Station

a) Rehabilitate existing sewage lift station. Replace existing grinder pump, install new stainless steel guard rails, and trash basket.

b) Replace existing sewer meter and valving in existing concrete vault.

c) Replace wet well top and hatch, including a davit crane, base and wet well vent.

d) Paint wet well interior surfaces with an epoxy paint system.

e) Replace existing pump control panel.

f) Install temporary emergency portable generator hookup and manual transfer switch.

g) Replace existing transformer.

h) Install new level control instruments.

i) Relocation of influent pipe to accommodate the new trash basket.

j) Instrumentation & Controls: This sewage lift station (SLS) will be controlled by a standalone package system. There will also be a new sanitary sewer flow meter inside the existing vault (not part of the package system). The flow meter will be powered by 120V ac power.

k) Communications: This node will be connected to the fiber optic network.

5) Site Electrical

a) Replace one existing transformer.

b) Install one new 15 kV, 200A pad-mounted primary load disconnect switches downstream of the existing utility metering.

c) Install new primary feeder conductors using existing 4-inch PVC conduits.

6) Poplar Grove Well House:

a) Abandon in-place.

7) Poplar Grove Well 1 (existing well, existing equipment located inside of existing building)

a) Disconnect wellhead discharge and cap inside of wellhouse, remove and dispose of all downhole equipment including wellhead seal and affix watertight locking cap to wellhead casing that meets the requirements for a monitoring well as per Maryland Department of the Environment requirements.

8) Poplar Grove Well 2 (existing well, existing equipment located outside of building):

a) Disconnect wellhead discharge and cap inside of wellhouse, remove and dispose of all downhole equipment including wellhead seal and affix watertight locking cap to wellhead casing that meets the requirements for a monitoring well per Maryland Department of the Environment requirements.

e. Camp Round Meadow

1) Jim Brown Well House

a) Demolish existing wood framed metal roof and skylights.

b) Provide removable plywood deck and wood framed roof with spray-on roof insulation (R-19) on the plywood deck. Cover the roof decks with ice and watershield underlayment and aluminum standing seam roofing in dark bronze color.

c) Demolish existing door, door frame, and associated hardware. Install heavy-duty hollow metal door and frame with stainless steel

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commercial grade hardware. Paint door and frame with epoxy and polyurethane paint system.

d) Paint interior existing masonry walls with epoxy paint system. Paint new metal deck and trusses with epoxy and polyurethane paint system.

Paint exterior wood siding with acrylic latex and exterior masonry with epoxy and polyurethane paint system.

e) Provide and install new discharge piping including valving, magnetic flow meter, and blow off.

f) Provide and install new instrumentation and control equipment including new motor starters for Jim Brown Well 1 and 4, and a pressure transducer.

g) Provide and install new downhole equipment including: new wellhead seal, new submersible pump, motor, check valve, column pipe, pump power supply cable, and carrier pipe for manual water level access.

h) Install temporary emergency portable generator hookup and manual transfer switch.

i) Replace electrical, controls components, and electrical panelboard.

j) Remove chemicals and chemical storage.

k) Replace existing unit heater. Maintain existing exhaust fan.

l) Instrumentation & Controls: Install new instrumentation as part of the new PLC control system for monitoring and controlling the water system. Provide a PLC control panel inside the well house.

m) Communications: Install new fiber-optic communications to this node.

Install fiber termination equipment in the PLC control panel.

2) Jim Brown Well 1 (existing well, existing equipment located inside of existing building)

a) Perform pre-rehabilitation specific capacity test with existing equipment.

b) Remove and dispose of existing downhole equipment including:

wellhead flange/seal, submersible pump, motor, power supply cable, controls and associated electrical equipment, wiring and conduit.

c) Develop the well by mechanical methods including swabbing and airlifting.

d) Develop the well by chemical methods and swabbing and airlifting.

e) Install temporary submersible pump/motor equipment and perform overpumping development.

f) Perform post-rehabilitation specific capacity test and remove temporary equipment.

g) Provide and install new downhole equipment including: new wellhead seal, well tag, new submersible pump, motor, check valve, column pipe, pump power supply cable, safety cable, and carrier pipe for manual water level access.

h) Install electric control conductors in existing buried conduits.

i) Perform final well disinfection.

j) Perform startup and commissioning to confirm pump and motor performance meets manufacturer’s performance curve.

3) Jim Brown Well 4 (existing well, outside of the existing building)

a) Perform pre-rehabilitation specific capacity test with existing equipment.

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b) Remove and dispose of existing downhole equipment including:

wellhead flange/seal, submersible pump, motor, power supply cable, controls and associated electrical equipment, wiring and conduit.

c) Develop the well by mechanical methods including swabbing and airlifting.

d) Develop the well by chemical methods and swabbing and airlifting.

e) Install temporary submersible pump/motor equipment and perform overpumping development.

f) Perform post-rehabilitation specific capacity test and remove temporary equipment.

g) Provide and install new downhole equipment including: new submersible pump, motor, check valve, column pipe, pump power supply cable, safety cable, and carrier pipe for manual water level access.

h) Install electric control conductors in existing buried conduits.

i) Perform final well disinfection.

j) Perform startup and commissioning to confirm pump and motor performance meets manufacturer’s performance curve.

k) Provide and install new pitless unit cap with water level access port on existing well with well tag.

4) Round Meadow Water Storage Tank

a) Remove existing ladder.

b) Decommission and partially demolish existing 30,000-gallon FRP water tank. Cut top of tank to grade, backfill to existing tank footprint, and complete surface restoration.

5) Water

a) Install new 6-inch HDPE water main to the existing service lines.

b) Install new 3/4-inch HDPE water service laterals.

c) Install eight new fire hydrants.

6) Sanitary Sewer

a) Remove existing 6-inch to 12-inch sewer pipes and 6-inch asbestos cement sewer pipes.

b) Install new 6-inch PVC sewer mains and manholes.

c) Install new 4-inch PVC sewer laterals.

7) Round Meadow Sewage Lift Station

a) Demolish existing sewage lift station.

b) Existing lift station will be replaced with a 6-inch gravity sewer line.

8) Site Electrical

a) Replace existing liquid-filled transformers.

b) Install new metering units on the 15 kV power feed to this site.

c) Install new primary feeder conductors using existing 4-inch PVC conduits.

9) Instrumentation & Controls

a) Install one new sanitary sewer flow meter inside a new manhole to monitor sanitary sewer flow. This meter is local read only (not on SCADA network) and will be powered by 120V ac power.

b) Install one new concrete vault to monitor drinking water flow consumed by campers at Round Meadow. This meter is local read only (not on SCADA network) and does not require battery or 120V ac power.

c) There is no PLC at Round Meadow.

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10) Communications:

a) Install new fiber-optic SCADA network cable to the

Telecommunications Room in the Camp Round Meadow Gym.

b) Provide a new, wall mounted, fiber termination cabinet in the

Telecomm Room. It is the Owner’s responsibility to patch the SCADA backbone into the existing patch panel to extend the network to the engineer’s work desk located in Building 84 (“Buildings and Utilities”).

c) Install a new switch and computer at the engineer’s work desk to provide access to the SCADA system.

d) A home run fiber from the Round Meadow Gym to the Visitor Center is an option (not part of base bid).

f. Owens Creek Campground

1) Ike Smith Well House

a) Demolish existing wood framed metal roof and skylights.

b) Install new metal trusses and metal decking on existing load bearing masonry walls with nail base roof insulation (R-30) on metal deck.

c) Provide insulated translucent panel skylights for natural light and for well pump removal. Provide aluminum fascia and flashing matching metal roof.

d) Paint new metal deck and trusses with epoxy and polyurethane paint system.

e) Install new emergency safety shower and eyewash.

f) Replace 3-inch Schedule 80 PVC water piping, valves and accessories with new magnetic flow meter for the raw water from the well, pressure transducer, and a blow off.

g) Install new chemical metering pumps and tanks, as well as injection quills and a static mixer for sodium hypochlorite and sodium hydroxide (caustic) chemical systems.

h) Replace electrical panel and well pump control panel.

i) Install new hydropneumatic tank.

j) Instrumentation & Controls: Install new instrumentation to locally control Ike Smith. This location is stand alone and will not be connected to the SCADA network. Provide a new PLC control panel with a operator interface terminal (OIT) touchscreen to provide local monitoring and control.

k) Communications: There is no fiber being provided to Ike Smith.

l) Replace existing unit heater. Maintain existing exhaust fan.

2) Ike Smith Well (existing well, existing equipment located inside of building)

a) Perform pre-rehabilitation specific capacity test with existing equipment.

b) Remove and dispose of existing downhole equipment including:

wellhead flange/seal, submersible pump, motor, power supply cable, controls and associated electrical equipment, wiring and conduit.

c) Develop the well by mechanical methods including swabbing and airlifting.

d) Develop the well by chemical methods and swabbing and airlifting.

e) Install temporary submersible pump/motor equipment and perform overpumping development.

f) Perform post-rehabilitation specific capacity test and remove temporary equipment.

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g) Provide and install new downhole equipment including: new wellhead seal, new submersible pump, motor, check valve, column pipe, pump power supply cable, and carrier pipe for manual water level access.

h) Perform final well disinfection.

i) Perform startup and commissioning to confirm pump and motor performance meets manufacturer’s performance curve.

g. Well 5A Development Area

1) Well 5A (existing well with well casing/cap only, no equipment, located outside of building)

a) Provide temporary equipment and perform pre-rehabilitation specific capacity test.

b) Develop the well by mechanical methods including swabbing and airlifting.

c) Reinstall temporary submersible pump/motor equipment and perform overpumping development.

d) Perform post-rehabilitation specific capacity test and remove temporary equipment.

e) Provide and install new downhole equipment including: new submersible pump, motor, check valve, column pipe, pump power supply cable, safety cable, and carrier pipe for manual water level access.

f) Perform final well disinfection.

g) Provide and install new discharge piping including valving and mechanical flow meter inside of a vault adjacent to the wellhead.

h) Provide and install new electrical equipment including electrical cable and conduit.

i) Remove temporary cap, casing, and install new pitless adapter unit on existing well and water-tight locking well cap with well tag.

j) Perform startup and commissioning to confirm pump performance prior to GWUDI and COP sampling.

k) Support the operation of the new installed well pump in support of the collection of samples as per the Groundwater Under the Influence Testing Procedures for Group 4 Wells as per Maryland Department of the Environment requirements. Contractor will be required to subcontract to a certified laboratory and certified sampler to collect the samples and provide temporary discharge to ground surface until GWUDI and COP samples have been collected and final determination performed by Frederick County and Maryland Department of Environment.

l) Support the operation of the new installed well pump in support of the collection of samples for Certificate of Potability as per Frederick County Environmental Health Department requirements.

m) Install new 2-inch HDPE pipe from Well 5A to intertie location at Park Central Road.

n) Perform second startup and commissioning to confirm pump performance.

2) Electrical:

a) Provide and install local power disconnect switch adjacent to pump.

b) Provide and install new panelboard.

c) Install a pedestal mount plate near existing pole to install electrical connections for well 5A.

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d) Install new conduit and feeder conductors from local disconnect switch to the panelboard, from panelboard to motor starter, and from motor starter to top of well pump.

e) Provide new motor starter.

3) Instrumentation & Controls

a) Provide and install new instrumentation, including water meter, and control equipment including PLC.

b) Install new concrete vault.

4) Communications:

a) Install new fiber-optic communications to this node. Install fiber termination equipment in the PLC control panel.

h. Other: Perform additional requirements as specific in the Contract Documents to complete the Work. Utility installation work includes incidental removal and replacement of existing infrastructure and natural features; for example road signs, pavement, curb, guardrail, retaining walls, sidewalks, trails, storm drains, drainage swales, gates, light poles, survey markers. The drawings include existing features as located by field survey, but may not include all features. Callouts and notes of existing items to be salvaged and reinstalled, or demolished and replaced on sheets C53 to C71 are intended as a help in planning but are not comprehensive.

Contractor is responsible to perform their own site inventory and is responsible for restoration of all site features at no additional cost to the government.

2. The Optional Work items as described in Section 01 27 00, Contract Line Items, includes the following upgrades to major system features at each of the Developed Areas, as described herein but not limited to:

a. Camp Misty Mount

1) Water

a) Install 3/4-inch to 2-inch HDPE water service laterals.

b) Demolish existing underground two 30,000-gallon underground FRP water tanks and all associated works, backfill, and complete surface restoration.

2) Sanitary Sewer

a) Remove existing 4-inch sewer laterals.

b) Install new 4-inch Schedule 40 PVC sewer laterals.

3) Site Electrical

a) Demolish and replace electrical transformers at Camp Misty and replace the existing 7.2 KV feeders.

b) The transformers manufactured prior to 1977 will be replaced as part of the base scope (the 75 KVA that feeds the Visitor Center and the 25 KVA (T600) that feeds the office).

c) The 7.2 KVA feeder conductors will be replaced with the exception of the following that is part of the base scope.

4) Communications

a) Install empty conduit from Centralized Treatment Building handhole on Park Central Road to Visitor Center Comm Room.

b) Install fiber-optic homerun from Camp Round Meadow Gym to the

Visitor Center in 2-inch conduit.

b. Camp Greentop

1) Sanitary Sewer

a) Remove existing 6-inch sewer mains and manholes.

b) Remove existing 6-inch asbestos cement sewer mains.

c) Install new 6-inch Schedule 40 PVC sewer mains and manholes.

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d) Replace existing 4-inch sewer laterals with new 4-inch Schedule 40 PVC pipes.

2) Communications

a) Install new 2-inch conduit with copper line to extend Plain Old

Telephone Service (POTS) from the Stable Building 231 to the Security Building Post 5A near the entrance of Camp Greentop. Reuse existing termination equipment. Remove the existing cable that is exposed.

b) Install two 2-inch conduit and fiber optic from the handhole on Park Central Road to the lift station.

c) The sewage lift station (SLS) data will be captured by a new, separate PLC installed at the SLS that is part of the park’s new SCADA system.

This SCADA PLC will transmit the data to the SCADA network to allow for remote monitoring, includes connection of new sanitary sewer flow meter inside the existing vault that is part of the base scope.

Includes PLC panel and two 2-inch conduit and fiber optic for monitoring of the Camp Greentop SLS.

d) Connect SLS flow meter into PLC.

3) Water Storage Tank

a) Demolish existing 30,000-gallon underground FRP water tank and all associated works, backfill, and complete surface restoration

c. Camp Round Meadow

1) Water Storage Tank

a) Demolish existing 30,000-gallon FRP water tank, backfill, and restore surface.

d. Owens Creek Campground

1) Replace existing 6-inch cast iron pipe via pipe splitting with a 4-inch HDPE pipe from Ike Smith Well House to Owens Creek Campground.

2) Replace existing 2-inch water line with a 2-inch HDPE water line to comfort stations.

3. Project is designed to comply with applicable sustainability requirements, as specified in

Section 01 81 13, Sustainable Design Requirements for NonLEED Projects.

C. Project will be constructed under a single prime contract.

1.3 WORK PHASES

A. Refer to Section 01 32 16 Construction Schedule for additional sequencing requirements.

1.4 CONTRACTOR USE OF SITE

A. General: Contractor shall have limited use of the site for construction operations. Limit use of premises to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated. Catoctin Mountain Park will remain open during the construction project.

Vehicle and pedestrian traffic must be detoured around defined work areas based on proposed Park re-routes. Contractor shall have full use of defined, pre-approved work areas for constriction operations during the construction period. Detours around defined work areas shall be signed in accordance with 01 50 00 Temporary Facilities and Controls.

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1. Limits: Confine constructions operations to limits of disturbance within the Drawings.

Coordinate with the requirements of Section 31 10 00 Site Clearing.

B. Storage of Materials:

1. Confine storage of materials to the preapproved storage area depicted on the Drawings (C2) and described herein. Consult with Contracting Officer approval of final locations for materials and equipment storage.

2. Staging areas for material and equipment will be available as depicted on the Drawings.

Staging areas are on paved surfaces within the developed areas and must be maintained within provided space.

C. Preservation of Natural Features:

1. Coordinate with the requirements of Section 31 10 00 Site Clearing.

2. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

3. Provide temporary barriers to protect existing trees and plants and root zones, as approved by the Park.

4. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with

Contracting Officer and remove agreed-on roots and branches that interfere with construction.

5. Do not fasten ropes, cables, or guys to existing trees.

6. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

7. Vehicles and heavy equipment shall not be operated off of paved or gravel surfaces and within the critical root zone of trees of trees to be preserved without first applying an 8-inch protective layer of wood chip mulch. This mulch should be removed and spread at a maximum thickness of 3 inches in forested areas of the project, or at a maximum 1-inch-thick layer over native seeding areas, at the conclusion of heavy equipment access to that segment of the project.

8. Equipment used for this project must be free of dirt, seeds and vegetation prior to entering the park, to avoid the establishment of invasive plants. Equipment should be pressure washed or steam cleaned. Any equipment leaving the park must be re-cleaned before re-entry to the park and project site.

9. Do not paint rocks for subsurface utility marking, temporary benchmarks, or any other reason.

D. Driveways and Entrances: Keep driveways Park Central Road, Manahan Road, Foxville Deerfield Road, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

1. Schedule deliveries to minimize use of driveways and entrances.

2. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

3. The gravel roads to Poplar Grove and Jim Brown, and Ike Smith wells are not intended for use by the public. Excavation, material storage, and parking on these gravel roads is preferred over temporary disturbance and restoration of adjacent vegetated areas. Maintain a passable width for Government and emergency vehicles.

E. Construction Camp: Establishment of a camp within the park will not be permitted.

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F. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent. Information regarding rules and regulations for vehicular traffic on park roads may be obtained from the Office of the Park Superintendent. A special permit will not relieve Contractor of liability for damage which may result from moving of equipment.

1.5 PUBLIC USE OF SITE

A. Contractor shall at all times conduct his operations to ensure the least inconvenience to the public.

Road closures will be permitted, when required, upon specific approval of Contracting Officer.

Contractor to submit plans to Contractor Officer to complete work within a specific time frame.

Coordinate with Section 01 32 16 Construction Schedule.

1.6 CONDUCT OF OPERATIONS

A. At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park Service, and applicable park rules and regulations prescribed by the Park Superintendent.

B. Work on Saturdays, Sundays, Federal holidays or at night may not be performed without prior consent from the Contracting Officer. Submit requests 72 hours in advance of the work to the Contracting Officer for approval.

C. No signs or advertisements (except those specified herein) shall be displayed on the construction site or within the park unless approved by the Contracting Officer.

1.7 WORK RESTRICTIONS

A. On-Site Work Hours: Work shall be generally performed during normal business working hours of 7:00 a.m. to 5:00 p.m., Monday through Friday, except when otherwise indicated. Contractor shall coordinate with Contracting Officer a minimum of 48 hours in advance, if there is a need to work outside normal business working hours.

B. Existing Utilities

1. Existing Utilities: Notify Contracting Officer and utility companies of proposed locations and times for excavation.

2. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government.

3. If damage occurs to an unknown utility, repair utility immediately. An equitable adjustment will be made in accordance with the Changes clause of the contract.

4. Existing sanitary sewer forcemains in Round Meadow and Greentop, and some fiber optic lines visible at communication handholes were not able to be detected by geophysical sweeps during field survey. Contractor must maintain materials on hand for rapid repairs in the event of damage to these utilities.

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C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless coordinated in accordance with Section 01 32 16 Construction Schedule.

D. Nonsmoking Building: Smoking is not permitted within the building or within 25 feet of entrances, operable windows, or outdoor air intakes.

1.8 SPECIAL CONSTRUCTION REQUIREMENTS

A. Project Website: A project website administered by the NPS will be used for purposes of managing communication and documents during the construction stage.

1. See Section 01 31 00 Project Management and Coordination for requirements on using the Project Website.

1.9 SOILS INVESTIGATION REPORT

A. A soils investigation report entitled Replace Parkwide Utility Infrastructure Geotechnical Data Report dated February 26, 2021, has been prepared by Jacobs Engineering Group, Inc., and follows End of Section.

B. A copy of the report is available to all plan holders with this package.

C. If conflicts occur between the report and drawings or specifications, the drawings and specifications govern.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01 11 00

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082714 DEFINITION OF CONTRACT LINE ITEMS

SECTION 01 27 00 – DEFINITION OF CONTRACT LINE ITEMS

PART 1 - GENERAL

1.1 SUMMARY

A. The intent of this section is to explain, in general, what is and what is not included in a contract line item, and the limits or cut-off points where one item ends and another begins.

B. If no contract line item exists for a portion of the work, include the costs in a related item.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 LIST OF CONTRACT LINE ITEMS

A. Each base contract line item pricing shall include General Requirements, Mobilization/Demobilization, Erosion Control, Maintenance of Traffic, Surface Restoration, as required to complete the Work.

B. Contract Line Item No. 0001 Replace Parkwide Utility Infrastructure.

1. Measurement for payment will be based on percent completion agreed upon.

2. Payment will be made at the contract lump sum price.

3. New Centralized Treatment Building Area Improvements:

a. This item consists of the construction new CMU building with metal trusses and metal decking roof system, chemical/process room, electrical room, and associated mechanical and electrical systems per applicable building codes. Construct an 8-inch CMU interior and exterior walls will be provided. The exterior walls will be covered with fluid applied vapor retarder, 3-inch rigid insulation (R-15), and cedar siding. Foundation will consist of a concrete floor slab with concrete strip footing;

painting interior masonry walls with epoxy paint system. Painting concrete floors with chemical resistant non-slip epoxy paint system. Painting exterior wood siding with acrylic latex paint system; installation of an emergency safety shower and eyewash in the Chemical Treatment Room; installation of water heater, booster pump, and hose bibs; installation of new 3-inch Schedule 80 PVC water piping, valves and accessories with new magnetic flow meter for the raw water from the wells; installation of new chemical metering pumps and tanks, as well as injection quills, a static mixer, and level sensors for sodium hypochlorite and sodium hydroxide (caustic) chemical systems; installation of new water quality analyzer, installation of new pipe manifold to supply water to each camp and a blow off line with isolation valves; installation of portable emergency…