Section J Att 002 - Specifications Volume 1 of 2.pdf

VOLUME 1 OF 2

SEQUOIA & KINGS CANYON

NATIONAL PARKS

PMIS No. 184193, 184197, 244956, & 245567

REHABILITATE CLOVER CREEK WASTEWATER TREATMENT

PLANT & DUMP STATIONS, & VAULT TOILETS

PROJECT SPECIFICATIONS

Division 1 – General Requirements

February 28, 2020

NATIONAL PARK SERVICE

PACIFIC WEST REGION

RFP No. 140P8620R0010 Section J - Attachment No. 002

VOLUME 1 OF 2

SEKI – 184193, 184197, 244956, & 245567 TABLE OF CONTENTS - 1

TABLE OF CONTENTS

DIVISION, SECTION & PARAGRAPH NUMBERING

Numbering and lettering of sections and paragraphs in this Project Manual are merely for identification.

Sections included are listed in this Table of Contents together with the number of pages in each section.

The Contractor shall check their copies of the Project Manual against this Table of Contents and confirm there are no missing pages or completion.

Number Title No. of Pages

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 Summary of Work 01 12 00 Natural Features Protection 01 26 00 Contact Modification Procedures 01 27 00 Definition of Contract Line Items 01 31 00 Project Management & Coordination 01 32 16 Construction Progress Schedule 01 32 33 Photographic Documentation 01 33 23 Submittal Procedures 01 35 13.22 Archeological Protection 01 35 23 Health and Safety Requirements 01 35 25 Explosives 01 35 43.13 Environmental Procedures for Hazardous Materials 01 35 46 Indoor Air Quality Management 01 35 46.10 Noise & Acoustics Management 01 40 00 Quality Requirements 01 42 00 References 01 50 00 Temporary Facilities & Controls 01 57 23 Under-an-Acre Pollution Prevention 01 67 00 Product Requirements 01 73 29 Cutting & Patching 01 73 40 Execution 01 74 11 Cleaning 01 74 19 Construction Waste Management & Disposal 01 77 00 Closeout Procedures 01 78 23 Operation & Maintenance Data 01 79 00 Demonstration & Training 01 81 13 Sustainable Design Requirements for Non-LEED Projects Appendix A Submittal List Appendix B Closeout List

DIVISION 01

GENERAL REQUIREMENTS

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SUMMARY OF WORK

SECTION 01 11 00

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. Contractor use of premises.

5. Public use of the site.

6. Occupancy requirements for buildings.

7. Work Restrictions.

8. Special Construction Requirements.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Location: Sequoia & Kings Canyon National Parks, Clover Creek Wastewater Treatment Plant, approximately 1.5 hours east from Fresno, California. Access to some project sites may be limited in the months of November to June due to snow.

B. Summary of work includes the definition found in Section 01 27 00 Definition of Contract Line

Items.

1. The contractor shall conform to pilaster crack report requirements (attached to this Section).

C. Generally, Work consists of the following:

1. Component replacement and/or rehabilitation of specific equipment and related work items at Clover Creek Wastewater Treatment Plant (CCWWTP).

a. Mechanical process aeration for equalization basins, aeration basins, and digesters

b. Lighting and power plan improvements.

c. Replace clarifier No. 3 mechanical equipment and drive motor.

d. Process area exhaust fan replacement.

2. Component replacement and or rehabilitation of specific equipment and related work items for three existing Dump Stations (Potwisha, Dorst & Lodgepole)

3. New flexible membrane fine bubble diffuser aeration equipment and blowers and related work items at Clover Creek Wastewater Treatment Plant (CCWWTP).

4. Install new vault toilets at two locations in the Upper Kaweah Parking Lot at the Giant Forest.

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D. The project will be constructed under a single prime contract.

E. For any work components wherein, the component specifications are not expressly included in these Contract Documents, the Contractor is to field verify the existing work component and then include each component as ‘like-in-kind’ to the exiting work component in the appropriate bid item in the Contract Price Schedule. The Contractor must submit a technical data sheet for the ‘like-in-kind’ component specifications to the Contracting Officer for review and approval as part of the submittal requirements.

1.3 WORK PHASES AND SEQUENCING

A. The work shall be conducted to minimize interruptions to the Clover Creek Wastewater Treatment Plant (CCWWTP) processes and the three dump stations. The Contractor is encouraged to plan work items during times when flows at the treatment plants are at their lowest. Typically, the lowest wastewater flows are observed during the months of October through April.

B. Clover Creek WWTP: Any and all work within the process basin areas (i.e. Equalization basins, aeration basins, and Digester basins) of the Clover Creek Treatment building must be performed such that one basin of each unit process is always operational for the facility’s operation. Any and all work for improvements to the second basin in each process shall not be started until any and all work of the first one is completed, functional, tested and brought online as fully operational. In addition, all exterior work needs to be done outside of the winter months due to snow loading.

C. The Contractor shall have the flexibility to sequence the construction of the work items at each site to minimize interference with subsequent work tasks.

D. Dump Stations: Potwisha dump station improvements are not affected by the winter season in

Sequoia and can be constructed anytime during the year. The Contractor shall coordinate with the CO to obtain approval on anticipated construction dates for the Potwisha Dump Station.

Dorst and Lodgepole dump stations shall be constructed in a sequence that does not take both dump stations out of service at any given time. In addition, outside construction at both Dorst and Lodgepole Dump stations will not be possible during the winter months and into early spring due to the heavy winter snows closing accessibility to them.

E. Vault Toilets: The construction of the Giant Forest Vault toilets in Upper Kaweah Parking Lot shall be done in early spring when the site is free of snow and has lower visitation.

Construction of the two vault toilets can be done concurrently. The Contractor shall coordinate with the CO to determine when the site is available for the Contractor to mobilize, F. The Contractor shall work with the CO to identify suitable staging areas for materials and equipment at each dump station site and at the Giant Forest parking lot. A staging area for the CCWWTP is identified in the construction drawings.

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1.4 CONTRACTOR USE OF SITE

A. General: Contractor shall have limited use of the site for construction operations. Do not disturb portions of the Project site beyond areas in which the Work is indicated.

1. Limits: Confine construction operations to limit the use of premises to areas of the treatment plant which are identified to be rehabilitated or replaced as indicated.

2. All site disturbances are to be approved by the Contracting Officer.

3. All damage to roads, curbing, sidewalks, etc. shall be restored to pre-construction conditions by Contractor at no additional cost to the Government. The Contracting Officer will photograph and/or videotape pre-construction conditions at the site

4. Road access to buildings and other facilities must remain open at all times.

5. See section 1.8 - Work Restrictions for time periods when the contractor may perform work on the dump stations.

6. A sequencing plan for construction at the dump stations shall be prepared by the

Contractor and approved by the contracting officer to minimize the dump station closures and inconvenience to the public.

7. Wastewater treatment will take place at the treatment building during construction and will limit work to outages with the parallel systems available.

B. Storage of Materials: Confine storage of materials and other adjacent salvage storage areas as directed by the Contracting Officer or indicated on the construction documents. The contractor shall return all storage areas to the same condition which they found them at the start of construction.

C. Preservation of Natural Features:

1. All equipment shall be power washed and inspected prior to entering the Park to ensure it is free of non-native weeds and/or seeds. In addition, sources of imported rock, sand, gravel and soil shall be inspected for invasive non-native plants, weeds and/or seeds. The Contractor shall submit a list of proposed sources, end-use and temporary storage requirements for imported material, thirty (30) calendar days prior to delivery. Imported material shall be free of non-native weeds and/or seeds. Imported material shall be shipped directly from the source to the Park without intermediary storage or staging.

Shipping vessels shall be covered to prevent spillage or blowing off their contents while in transit.

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.

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. Acceptable materials for erosion control blankets and sediment logs include Excelsior or coir fiber products. The use of straw or rice products, including “certified weed-free” products, shall not be permitted. Jute or cotton shall be used as netting in erosion control blankets; no plastic netting products will be allowed in the blankets.

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D. Driveways and Entrances: Keep driveways 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 the use of driveways and entrances.

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

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

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 the Contractor of liability for damage which may result from moving of equipment.

1.5 PUBLIC USE OF SITE

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

1.6 OCCUPANCY REQUIREMENTS FOR BUILDINGS

A. Existing Buildings

1. Full Government Occupancy: The government will occupy buildings that will be under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with the Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.

a. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the Contracting Officer.

b. Maintain an existing building in a weather-tight condition throughout the construction period. Repair damage caused by construction operations. Protect the building and its occupants during the construction period.

1.7 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 forty-eight (48) hours in advance of the work to the Contracting Officer for approval.

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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.

1.8 WORK RESTRICTIONS

A. On-Site Work Hours: Work shall be generally performed during normal business working hours of 8:00 a.m. to 4:30 p.m., Monday through Friday, except when otherwise indicated.

Work outside these hours may be approved by the Contracting Officer if requested in writing by the Contractor. No holiday work will be permitted without prior approval from the Contracting Officer.

1. Work in the Dorst and Lodgepole Dump Stations shall occur from November 1 to April 15 when the dump stations are out of service. The Contractor must always keep one dump station (Dorst or Lodgepole) open so visitors have at least one location available for dumping.

2. Work at the Potwisha Dump Station shall occur during a low use period of the season since it can be used year-round.

3. Giant Forest Museum and Upper Kaweah Parking Lot are used year-round. The contractor is responsible for coordinating this work with the Contracting Officer by providing at least two weeks advance notice, so the park can accommodate visitors in another location during construction.

4. No work in the Equalization Basins, Aeration Basins, & Digestor Tanks shall occur from Memorial Day to Labor Day (Summer Months) when flow in the plant are highest and all basins are required for normal operation. From Labor Day to Memorial Day (Winter Months), work will only be allowed in one equalization tank, aeration basin and digestor tank at a time to allow for the plant to remain operational utilizing the other equalization tank, aeration basins, and digester tanks.

5. Work on the sludge drying beds shall occur during a 2-month period between December 1 and March 1. The contractor will not be required to keep the sludge processing equipment operational during this 2-month work period.

B. Existing Utilities

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

2. The 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. An equitable adjustment will be made in accordance with the Changes clause of the contract.

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify Contracting Officer not less than seventy-two (72) hours in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without Contracting Officer’s written permission.

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D. Throughout the entire construction period, the Contractor shall schedule all work and provide temporary facilities, electrical power and control circuits, and bypass pumping to minimize utility shutdowns. Work shall be scheduled such that interruptions to service (wastewater treatment) are to be completed to maintain facilities operation. Interruptions must be approved by the Contracting Officer. Refer to 01 11 00 Part 1.9B.

E. Nonsmoking Building: Smoking is not permitted within the building or within twenty-five

(25) feet of entrances, operable windows, or outdoor air intakes.

1.9 SPECIAL CONSTRUCTION REQUIREMENTS

A. The contractor shall complete a pre-construction walk-through with the Contracting Officer

Representative to verify all utility alignments, building locations, construction access points, etc.

B. The Clover Creek Wastewater Treatment plant must be kept in service continuously during construction. If a specific process needs to be interrupted for removal and replacement of equipment the Contractor shall provide a written request at least 48 hours in advance of this work so NPS operators can make process modifications to allow for the construction work to occur while the plant remains operational. Included in this written notice is the approximate time it will take to make the required changeover and what steps the Park needs to follow to facilitate the change-over and prevent a service disruption. The Contractor shall take the appropriate actions so that the overall treatment of raw wastewater is not interrupted.

C. The Contractor shall schedule appropriately the storage and application of materials according to required minimum temperatures as recommended by the product manufacturers.

Temperatures often drop below freezing during winter as well as during late fall and early spring.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION

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NATURAL FEATURES PROTECTION

SECTION 01 12 00

1.1 DESCRIPTION

A. The work of this section consists of the protection of vegetation and native soils to be retained within and adjacent to the perimeter work limits of this project. This section also consists of evaluation processes and mitigation measures in the event of tree damage, casualty, or removal and unauthorized passage outside authorized work limits.

1.2 PLANT CONDITION INVENTORY

A. Prior to the placement of all fencing, barricades and tree wrap and any excavation operations, the Contractor and Contracting Officer together shall perform an on-site inventory of trees and other natural features in the entire project site. A print of the contract document site plan will be used to note the placement and condition of existing trees. Previous damage to trees and vegetation shall be noted. This site plan print shall be retained by the Contracting Officer for use during the final walk-through tree assessment scheduled during the project closeout.

PART 2 – PRODUCTS

2.1 TREE TRUNK PROTECTION

A. Four (4) foot high wood-lathe snow fencing.

2.2 WORK LIMITS - CONSTRUCTION ZONE WARNING TAPE

A. Banner Guard construction zone warning tape, imprinted with “CAUTION:

CONSTRUCTION AREA”, manufactured by Reed Industries, Inc., Houston, Texas, or approved equal.

2.3 CONSTRUCTION FENCING

A. Four (4) foot high orange plastic mesh construction fencing.

B. Six (6) foot steel posts.

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2.4 TREE TRUNK PROTECTION

A. Four (4) foot high wood-lathe snow fencing.

2.5 TEMPORARY BARRICADE

A. Four (4) foot high orange plastic mesh construction fencing.

B. Six (6) foot steel posts.

PART 3 – EXECUTION

3.1 PROTECTION INSTALLATION

A. Provide temporary work limit fencing, tree trunk wrap, and tree barricades to protect existing trees, plants, and critical root zones as directed by the Contracting Officer. Protections shall be in place before any excavation work or heavy equipment is allowed on site.

3.2 CONSTRUCTION FENCING

A. Within the perimeter work limits, protect groups of shrubs and small trees and undisturbed soils as directed by the Contracting Officer with construction fencing. Firmly anchor fences to the ground a minimum of two (2) feet from the nearest plant. Completely and continuously enclose areas of trees and shrubs to be protected with fencing.

3.3 TREE TRUNK PROTECTION

A. For isolated trees up to four (4) feet dbh (diameter-breast-height) within the work limits, provide tree trunk protection as directed by the Contracting Officer.

B. Wrap wood lathe snow fencing continuously around the circumference of the trunk from the base to a height of not less than six (6) feet. Wrap shall be a minimum of two layers. Fence wrap shall be secured around the trunk by three strands of jute or other natural fiber rope around top, middle and bottom of the tree trunk protection. No anchoring or nailing in trees will be allowed.

3.4 PROTECTION MAINTENANCE

A. Only after all tree and plant protection has been installed, and the Contracting Officer has inspected and given written approval of the tree and plant protection, will the Contractor be allowed to begin excavation. All tree and plant protection shall be maintained throughout the duration of this project.

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B. If any fencing, barriers, staking or marking, which designates protected areas, limits of demolition or work limits, is knocked down, moved or destroyed by the Contractor, the Contractor will immediately move the work operation to another area, wholly or in part, or suspend work operations, until the fence or other protection is repaired to the Contracting Officer's satisfaction at the Contractor's expense. Time lost due to such a stoppage will not be considered a basis for adjustment of completion date nor additional payment.

C. Parking vehicles and storing materials or supplies shall be confined to areas designated as staging areas on the plans or as specifically approved by the Contracting Officer. Vehicle and material storage activities are strictly prohibited from protected and fenced sensitive soil and vegetation areas.

D. Fastening ropes, cables, or guys to existing trees and disposing of materials including, but not limited to paint, paint thinner, fiberglass materials, fiberglass thinners, concrete or cement residue, washings from cement or concrete mixers or any other material considered harmful by the Contracting Officer is prohibited anywhere in the project area.

E. Do not remove, injure, or destroy trees or other plants without prior approval of the Contracting

Officer. Consult with the Contracting Officer and remove agreed upon roots and branches that interfere with excavation or pipe placement. All pruning of canopy or cutting of roots will be done under the supervision of the Contracting Officer and shall be done as set forth by the National Arborist Association or the International Society of Arboriculture.

F. If within the critical root zone, excavate with hand tools.

G. At project completion, the Contractor shall remove all protections and be properly disposed of or recycled.

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CONTRACT MODIFICATION PROCEDURES

SECTION 01 26 00

PART 1 – GENERAL

A. The work of this section consists of administrative and procedural requirements for contract modifications.

1.2 DEFINITIONS AND ALLOWANCES

A. Home Office Overhead: Those costs incurred in support of all of a contractor’s projects and not attributable to a specific job. The cost for home office overhead is only allowed as a percentage of all direct work excluding profit as identified in Part 31 of the Federal Acquisition Regulation (FAR).

B. General Conditions (Field Office Overhead): Management and administrative costs incurred on-site for the designated project. Costs associated with the preparation of modifications will not be allowed. The costs for these items are to be included only in the general conditions of the modification estimate. Only in the case of a contract time extension are additional general conditions included in modifications.

C. General Requirements: These are costs directly associated with the project and are necessary to perform the actual work of the modification. These costs shall be shown as direct costs in the estimate.

D. Personnel Costs: Costs included in the modification must only be for General Conditions staff and workers actually present and working on the project site. Modification costs for salaried workers are only allowed within the structure of a forty (40) hour week and no overtime or holiday pay will be allowed.

1. Worker Hourly Rates are costs directly associated with the individual worker and consist of the following:

a. Base Rate: This is the hourly rate paid directly to the worker

b. Labor Burden: Employer payments of all applicable burdens, this includes insurance and taxes that the business must pay on behalf of the worker to government entities and educational forums, such as:

E. Bonuses or Deferred Compensation: No Bonus or Deferred Compensation will be allowed within any components of pricing including Home Office Overhead, General Conditions, General Requirements, Hourly Worker Rates, or the direct costs of work.

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F. General Liability Insurance: An insurance policy that protects the contractor from claims resulting from bodily injury or property damage to a third party. Include this as a separate line item within all modification proposals and provide a current insurance quote upon request.

G. Performance and Payment Bonds: A performance bond is a surety bond issued by an insurance company or bank to guarantee the satisfactory completion of a project. The Payment Bond guarantees that the contractor will pay the labor and material costs they have incurred. Banks and Insurance companies charge a premium for each individual project based on a sliding scale which relates to the size of the project. Include this as a separate line item in modification proposals and provide current company bonding rates upon request.

H. Builder’s Risk Insurance: This covers the contractor’s loss due to fire, high winds, or other natural forces. This is not reimbursed by the National Park Service (NPS) and shall not be included in modification proposals.

1.3 MODIFICATION PROPOSAL PRICING REQUIREMENTS

A. General:

1. Your proposal must be received in the format and within the time frame specified in the Request for Proposal Letter. Costs or delays resulting from the failure of the contractor to submit within the time frame specified will not be compensable.

2. The proposal must be detailed with itemized lists of equipment, materials, labor, production rates, overhead, profit, and bond markup for each item. Labor costs must be itemized by craft and hourly rate, including Fringe Benefits and Labor Burden. If the costs of Fringe Benefits and Labor Burden are not itemized, it is assumed that they are included in the hourly rate shown, or the contractor is not requesting reimbursement. The contractor may utilize the government provided Contractor Estimate Form, or their own form, provided that it contains the same information and level of detail as the Government provided the form.

3. Requests for extensions of contract time as a result of this change must be justified with a Time Impact Analysis (TIA). Refer to Division 01 Specification “Construction Schedule” for time impact analysis requirements. TIA and associated costs must be received with the proposal by the date shown within the Request for Proposal Letter. The contractor’s failure to submit within the specified time frame will be construed as the Contractor waiving the right for additional time and no time extension will be allowed.

4. All supporting documentation used to justify the proposed modification will be made available to the Contracting Officer upon request.

5. The contractor must review and approve all subcontractor/supplier pricing in detail for proper format, scope, production rates, and pricing prior to submission to the NPS. All delay costs associated with not reviewing and approving subcontractor/supplier pricing will be borne by the Contractor.

6. All pricing and production rates within the estimate must be based on fair and reasonable pricing and cannot include a built-in contingency.

http://www.nps.gov/dscw/publicforms.htm#ct

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B. Labor:

1. The contractor shall estimate the cost of labor by itemizing each craft involved, indicating worker hourly rate (base rate + labor burden + fringe benefits) for each and itemizing the hours required for each craft that will be directly engaged in modification work. Any work proposed that will require overtime work or premium pay shall be itemized separately. All rates shall be in accordance with the Davis-Bacon Act as incorporated herein. Labor Burden may include payroll taxes, Social Security, unemployment insurances, workers compensation insurance, FICA, FUTA, and other direct costs resulting from Federal, State or local laws.

2. Itemize labor costs for equipment operators separate from equipment costs.

3. The labor cost for foremen shall only be costs for related work required for the modification.

C. Materials:

1. The estimated cost for materials shall include quotes from multiple sources. Material prices must include all applicable fees and credits, including but not limited to, sales tax, freight and delivery charges, and tax rebates.

2. No markup shall be applied to any material provided by the NPS.

D. Equipment:

1. Equipment used for the project must be appropriately sized for the work being performed.

2. Do not include costs for “miscellaneous tools and equipment”, in your proposal for a replacement value of five hundred dollars ($500) or less. Costs shown in excess of five hundred dollars ($500) must be broken out separately.

3. Regardless of ownership, the rates to be used in determining equipment rental costs shall be the lowest cost from one of the following sources:

a. U.S. Army Corps of Engineers, Ownership and Operating Expense Schedule (use the latest edition and applicable region)

b. Construction Blue Book

c. Local equipment rental rates, documented by actual invoice charges, or itemized vendor quotes.

4. The estimated equipment rates shall include the operating costs of all fuel, oil, lubrication, supplies, small tools, necessary attachments, ground engaging components, tires & tracks, routine repairs and maintenance (cost of major repair and overhaul is not allowed per FAR 31.105(d)(2)), depreciation, storage, insurance, and all incidentals.

Mobilization, if applicable, may be included for equipment solely used on the modification work but must be listed separately.

5. Estimate the full rate for equipment only for the duration that the equipment will be utilized to accomplish the work of the modification.

6. Standby unit rates used are to be in accordance with paragraph 1.3, D, 2, above. If the US Army Corp of Engineers is utilized, then their standby rates prevail. If Bluebook or local equipment pricing is accepted, then one half (½) of the equipment costs minus any operating costs, major repair and overhaul will be accepted.

7. If the equipment is in standby mode due solely to a documented NPS delay, the established standby rate shall apply from the first day of the delay.

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8. Equipment that is not used and on the job site for up to five (5) consecutive days may be classified at standby rates, provided that the equipment is or has been used solely to perform work on the modification and will be necessary to complete additional modification work. Equipment that is still on the job site but not in use after five (5) consecutive days will not be considered in the modification pricing.

9. Requests for compensation for equipment stand by time must be justified, documented and itemized separately.

10. The estimated timeframe (daily, weekly, monthly) for use of the equipment must reflect the lowest cost to the Government.

E. Establishment and Application of Overhead and Profit Percentages:

1. Home Office Overhead and Profit (OH&P) shall be applied to direct costs only. Profit shall not be applied to overhead amounts, and overhead shall not be applied to profit.

Home office overhead shall contain only allowable, allocable, and reasonable costs per the contract documents and FAR Part 31. Profit percentages are based on risk factors found in FAR Part 31which have been applied to the specific type of work included in this project. Negotiated rates shall not exceed the following percentages for OH&P for contractor self-performed work:

Overhead…………..…10% Profit…………………10%

2. The total aggregate limit of markup (OH&P) for contractors and subcontractors on modification work shall not exceed twenty-five percent (25%). The NPS will not be responsible for the allocation of percentages between contractors and subcontractors at any tier.

3. If contractors form a partnership, then the partnership may only receive home office overhead and profit in the same amount as an individual contractor (refer to par1.3,E,1 above). It is the responsibility of the partners to decide on the division of revenue.

4. Combined Increases and Decreases: On proposals involving both increases and decreases in the Contract Price, the overhead and profit mark-ups are required on the net increases and deducted on net decreases.

5. At no time can profit be calculated on Overhead or itself, it must be calculated on direct costs of work only.

PART 2 – PRODUCTS (Not Used)

PART 3 – EXECUTION (Not Used)

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DEFINITION OF CONTRACT LINE ITEMS

SECTION 01 27 00

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 3 - EXECUTION

3.1 LIST OF CONTRACT LINE ITEMS

A. Contract Line Item No. 01 - Mobilization/Demobilization (PMIS 184193, 184197, 244956, and 245567):

1. The Mobilization/Demobilization for this item consists of:

a. Moving rigs, pumps, equipment, materials, power, labor, fuel, tools and incidentals necessary to do the Work.

b. Moving out of all such equipment, materials, tools, and incidentals, and final site cleanup upon completion of the Work.

c. All required equipment and vehicle cleaning for certification as weed and seed free prior to entering park boundaries.

2. Measurement for payment will be by lump sum.

3. Payment will be made at the contract lump sum price. For purposes of partial payment, the mobilization portion of this bid item shall be considered as sixty percent (60%) of the total lump sum.

B. Contract Line Item No. 02 - WWTP Aeration Systems Rehabilitation – All Basins

1. This item generally consists of:

a. Remove all aeration piping from all aeration, equalization and digester basins from the air-piping elbow into each basin.

b. Install a fine-bubble aeration system in aeration basin # 1, 2, & 3.

c. Install a fine-bubble aeration system in both equalization tanks.

d Install a fine-bubble aeration system in digester tanks 1, 4, & 5.

e. Replace Blowers # 7, 9, & 10 with new 5 HP units and VFD drives.

f. Relocate blower 7, 9, & 10 disconnect switches to a location that meets NEC working clearance requirements in the Aeration Blower Room.

g. Replace Blowers #1, 2, and #5 with new 7.5 HP units and VFD drives.

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h. Replace Blowers # 3 and 4 with new 5 HP units and VFD drives.

i. Relocate Blowers #1, 2, 3, 4, and #5 disconnect switches to a location that meets

NEC working clearance requirements in the Compressor/Blower Room.

2. Measurement for payment will be based upon percentage completion of the lump sum unit price.

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

C. Contract Line Item No. 03 - WWTP Mechanical System Rehabilitation – All Basin Rooms

a. Replace access ladders into aeration basins 1, 2, & 3.

b. Replace access ladders into both equalization basins.

c. Replace access ladders into digester basins 1, 4 and 5.

d. Remove existing turbine mixers in all four (4) aeration tanks and repair grating.

e. Remove existing turbine mixers in both equalization tanks and repair grating

f. Remove existing turbine mixers in digester tanks 1, 2, 3, 4, & 5 and repair grating

g. Replace mud valves in aeration basins 1, 2, & 3

h. Install a new DO-monitoring system in aeration basins # 1, 2, & 3 and Integrate into the SCADA system for the plant.

i. Install a new pressure transducer for level control in equalization basins and integrate into the SCADA system for the plant

j. Install new high level floats in digester basins 1. 4, & 6 and integrate into the

SCADA system for the plant.

k. Repaint existing steel crane beam and hoists for aeration, digester and equalization basins

l. Replace telescoping valves between digester basins 4, & 5.

m. Replace the sluice gate between digester basins 1 and 4, & 4 and 5.

2. Measurement for payment will be based upon percentage completion of the lump sum

D. Contract Line Item No. 04 - WWTP Electrical and HVAC System Rehabilitation – All Basin Rooms

1. This item generally consists of:

a. Replace existing lights w/ new vapor tight, explosion-proof, energy-efficient, LED lighting fixtures above all 4 aeration basins.

b. Replace existing lights w/ new vapor tight, explosion-proof, energy-efficient, LED lighting fixtures over both equalization basins.

c. Replace existing lights w/ new vapor tight, explosion-proof, energy-efficient, LED lighting fixtures above all 5 digester basins.

d. Replace existing receptacles, switches and disconnect switches with new explosion-proof versions in all 4 aeration basin rooms

e. Replace existing receptacles, switches and disconnect switches with new explosion-proof versions in both equalization basin rooms

f. Replace existing receptacles, switches and disconnect switches with new explosion-proof versions in all digester basin rooms.

g. Install new insect screens on all intake louvers around the building.

h. Install ducting from the wall between aeration basins # 1 and # 3 to the exterior wall of basin # 3.

i. Install a new exhaust fan in the exterior wall of aeration basin #3.

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j. Install ducting from the wall between clarifier # 2 and # 3 to the east exterior wall of Clarifier # 3

k. Install a new exhaust fan in the exterior wall above Clarifier #4.

l. Install a new exhaust fan in the wall in the northeast corner above equalization basins # 2.

m. Install ducting from the wall between digester basins # 1 and # 4 to the exterior wall of basin # 4.

n. Install a new exhaust fan in the exterior wall of digester basin # 4.

o. Install a new exhaust fan in the exterior wall at the northeast corner of digester basins # 5.

p. Install a new exhaust fan in the exterior (south) wall of the compressor/blower room

q. Install a new exhaust fan in the exterior (west) wall of the aeration blower room.

r. Install a new exhaust fan in the exterior (west) wall of the chlorine room.

2. Measurement for payment will be based upon percentage completion of the lump sum

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

E. Contract Line Item No. 05 - WWTP Exterior Improvements

a. Replace exterior missing shroud for exhaust fan # 18 in the southwest side of the sludge drying building

b. Install a fabricated cover over four (4) exhaust fan shrouds (two north side, one west side and one on the south wall) to protect from snow sliding off the building roof.

c. Replace the existing culvert tunnel to the main access door with a new larger Arch culvert.

2. Measurement for payment will be based upon percentage completion of the lump sum

F. Contract Line Item No. 06 - WWTP Sludge Drying Bed Rehabilitation

a. Replace the plug valves around the walls of the drying beds.

b. Repair pipe supports around the walls of the drying beds.

2. Measurement for payment will be based upon percentage completion of the lump sum

G. Contract Line Item No. 07 - WWTP Lighting Rehabilitation – All Rooms Except Basins

a. Replace existing lights with new vapor tight, energy-efficient, LED lighting fixtures in the Pump Room.

b. Replace existing lights with new vapor tight, energy-efficient, LED lighting fixtures in the Compressor/Blower Room.

c. Replace existing lights with new vapor tight, explosion-proof, energy-efficient, LED lighting fixtures over all four (4) clarifier basins.

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d. Replace existing lights with new energy-efficient, LED lighting fixtures in the Electrical Room.

e. Replace existing lights with new vapor tight, energy-efficient, corrosion-resistant LED lighting fixtures in the Chlorine Room.

f. Replace existing lights with new vapor tight, energy-efficient, LED lighting fixtures in the Water Laboratory Room.

g. Replace existing lights with new energy-efficient, LED lighting fixtures in the Work Room, Generator Room, and Mechanical Room.

h. Install an illuminated exit sign (with a battery capacity of 90-minute continuous back-up) above the exit door next to the generator room.

i. Install an illuminated exit sign (with a battery capacity of 90-minute continuous back-up) above the main entry double door.

j. Install an illuminated exit sign (with a battery capacity of 90-minute continuous back-up) above the exit door in the chlorine room.

2. Measurement for payment will be based upon percentage completion of the lump sum unit price.

H. Contract Line Item No. 08 - WWTP Electrical Rehabilitation – All Rooms Except Basins

a. Install a new 1.5 kW wall mounted heater with an integral thermostat in the

Chlorine Room.

b. Replace existing above-counter receptacles with code-compliant GFI receptacles in the Water Laboratory and Work Rooms.

c. Install 2-inch KO seals to cover the openings for five (5) gauges removed from front doors of MCC buckets in the MCC South Electrical Room.

d. Provide two (2) seals in open holes in the front cover of the boiler control panel in the Mechanical Room.

e. Relocate starters for two (2) electric valves to meet NEC working clearance requirements in Mechanical Room.

f. Install full surge protection for the CCWWTP building.

g. Remove unnecessary wiring in the Control Room cabinet.

2. Measurement for payment will be based upon percentage completion of the lump sum

I. Contract Line Item No. 09 - Rehabilitate Clogged Filtrate line from WWTP Sludge Drying Beds.

a. This item generally consists of a required flushing/cleaning of the 4” Sludge drying bed outlet line to remove solids, repair of any locations leaking sand into the line, installation of cleanout locations, and initiation of other repairs as needed to prevent a reoccurrence.

2. Measurement for payment will be based upon percentage completion of the lump sum

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J. Contract Line Item No. 10 - WWTP Replacement of RAS/WAS Pumps

1. This item consists of removing and replacing three (3) RAS/WAS pumps adjacent to the clarifier basins, including any fittings needed to connect the new units to the existing piping.

2. Measurement for payment will be based upon percentage completion of the lump sum

K. Contract Line Item No. 11 - WWTP Replacement of Sludge Transfer Pump

1. This item generally consists of replacing the sludge transfer pump located in the pipe gallery adjacent to the digester basins, including any fittings needed to connect the new unit to the existing piping.

2. Measurement for payment will be based upon percentage completion of the lump sum

L. Contract Line Item No. 12 - WWTP Replace Media and Liner in Four Sludge Drying Beds

1. This item consists of replacing the sand, gravel, liner, underdrain piping, and geotextile cushion in Drying Beds No. 1 through No. 4, including the disposal of the old sand and gravel at a hazardous waste landfill.

2. Measurement for payment will be based upon percentage completion of the lump sum

M. Contract Line Item No. 13 - Dorst Dump Station Tank Replacement

a. Replace the existing 2,000-gallon septic tank with a similar volume tank rated for commercial use and H-20 wheel load rating.

b. Reconnect the new septic tank to drain to the existing, useable leach field.

c. Replace all piping within 5 feet of the replaced septic tank.

d. Remove and replace the adjacent manhole including frame and cover with a new

4-foot diameter manhole, frame, cover and concrete support pad with connections from dump pad to the pipeline and to the new septic tank.

e. Replace any existing pipes using PVC SDR 35 pipe as needed upon review of their condition during excavation.

f. Replace all waterline piping from the connection at the existing pipeline through both connections to the new potable and washdown water stations.

2. Measurement for payment will be based upon percentage completion of the lump sum

N. Contract Line Item No. 14 - Dorst Dump Station Mechanical Component Replacement

a. Replace both the potable and nonpotable water towers and the associated shut-off valves to the existing source supply and all water piping between the two locations.

b. Construct a new 6-inch high concrete base to mount the water tower.

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c. Install a new above ground Reverse Pressure Principal (RPP) backflow preventer and isolation valves at the existing below-grade service line connection.

d. Replace the dump station components, including the concrete dump station pad, sewer connection, and the spill containment concrete curb, with like materials.

e. Install new Signs A and B for the dump station and water tower locations.

f. Install new Signs A and B for the dump station and water tower locations.

2. Measurement for payment will be based upon percentage completion of the lump sum

O. Contract Line Item No. 15 - Dorst Dump Station Paving

a. Provide a square yard price to sawcut and replace the existing asphalt road around the dump station concrete components and water fill tower and repair of a tree root buckled section of the pavement on the opposite side of the driveway with a new asphalt section equal to what is removed plus an additional 1-inch of paving thickness based upon the maximum area delineated on the drawings. Assume grinding/milling of the existing asphalt and reuse as part of the base course prior to the new overlay.

b. Install new traffic markings on the pavement

2. Measurement for payment will be based upon percentage completion of the lump sum

3. Payment will be made at the contract square yard price.

P. Contract Line Item No. 16 - Lodgepole Dump Station Tank Replacement

a. Replace the existing 1,500-gallon septic tank with a similar volume tank rated for commercial use and H-20 wheel load rating. Use a side-wall tank discharge port to fit this tank into the site.

b. Install a new screening vault containing a manually cleaned inclined screen.

c. Reconnect the new septic tank to the existing sewer collection system.

d. Install two new isolation valves upstream and downstream of the septic tank to isolate the system in winter.

e. Replace all piping within 5 feet of the replaced septic tank.

f. Remove and replace the adjacent manhole including frame and cover with an easy access vault and traffic rated access cover.

g. Replace any existing pipes using PVC SDR 35 pipe as needed upon review of their condition during excavation including the waterline piping between the potable and washdown water stations.

2. Measurement for payment will be based upon percentage completion of the lump sum

Q. Contract Line Item No. 17 - Lodgepole Dump Station Mechanical Component Replacement

a. Replace both the potable and nonpotable water towers and the associated shut-off valves to the existing source supply and all water piping between the two locations.

b. Construct a new 6-inch high concrete base to mount the water tower.

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c. Install a new above ground Reverse Pressure Principal (RPP) backflow preventer and isolation valves at the existing below-grade service line connection.

d. Replace the dump station components, including the concrete dump station pad, sewer connection, and the spill containment concrete curb, with like materials.

e. Install new Signs A and B for the dump station and water tower locations.

f. Repair the existing asphalt road around the dump station concrete components and water fill tower to restore the road surface to a useable condition.

2. Measurement for payment will be based upon percentage completion of the lump sum

R. Contract Line Item No. 18 - Potwisha Dump Station Mechanical Component Replacement

a. Replace both the potable and nonpotable water towers and the associated shut-off valves to the existing source supply and all water piping between the two locations and to the location of the backflow prevention device.

b. Construct a new 6-inch high concrete base to mount the water tower.

c. Install a new above ground Reverse Pressure Principal (RPP) backflow preventer and isolation valves at the existing below-grade service line connection.

d. Replace the dump station components, including the concrete dump station pad, sewer connection, and the spill containment concrete curb, with like materials.

e. Install new Signs A and B for the dump station and water tower locations.

f. Repair the existing asphalt road around the dump station concrete components and water fill tower to restore the road surface to a useable condition.

2. Measurement for payment will be based upon percentage completion of the lump sum

S. Contract Line Item No. 19 - Potwisha Dump Station Tank Replacement

a. Replace the existing 3,000-gallon septic tank with a similar volume tank rated for commercial use and H-20 wheel load rating.

b. Reconnect the new septic tank to drain to the existing, useable leach field.

c. Replace all piping within 5 feet of the replaced septic tank.

d. Remove and replace the adjacent manhole including frame and cover with a new

4-foot diameter manhole, frame, cover and concrete support pad with connections from dump pad to the pipeline and replacement of the piping to the new septic tank.

e. Replace any existing pipes using PVC SDR 35 pipe as needed upon review of their condition during the excavation.

f. Replace all waterline piping from the connection at the existing pipeline through both connections to the new potable and washdown water stations.

2. Measurement for payment will be based upon percentage completion of the lump sum

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