AMENDMENT 0003 - 25R2527.pdf

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

N40085-25-R-2527 P-1334 CHILD DEVELOPMENT CENTER NAVAL SUPPORT ACTIVITY HAMPTON ROADS, NORFOLK, VA

SEE SF 30 BLOCK 14 CONTINUATION PAGE

Contract POC: Ashlee Beggs, ashlee.r.beggs.civ@us.navy.mil ,Tel: 757-341-1031

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

2. AMENDMENT/MODIFICATION NUMBER

PAGE OF PAGES

1 8

5. PROJECT NUMBER (If applicable)

6. ISSUED BY

NAVFAC MID ATLANTIC

CONTRACTING CORE

9324 VIRGINIA AVENUE

NORFOLK, VA 23511

CODE N40085 7. ADMINISTERED BY (If other than Item 6) CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) 9A. AMENDMENT OF SOLICITATION NUMBER

N40085-25-R-2527

9B. DATED (SEE ITEM 11)

05/14/2025

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE

(X)

4. REQUISITION/PURCHASE REQUISITION NUMBER 3. EFFECTIVE DATE

07/10/2025

1. CONTRACT ID CODE

SF 30 BLOCK 14 CONTINUATION PAGE

The purpose of this amendment is to incorporate the following:

1. Extend the proposal due date from 11 July 2025 to 23 July 2025 by 2:00PM EDT. However, the Pre-Proposal Inquiry period is not extended.

2. Provide Pre-Proposal ( PPI) responses

N40085-25-R-2527

1. The proposal due date will be extended from 11 July 2025 to 23 July 2025 by 2pm ET. However, the Pre-Proposal Inquiry period is not extended.

2. Pre-Proposal Inquiries (PPI) Responses:

Question

No.

Question Government Responses the locker specs, Section 10 51 13 ,we noticed that while the spec list two locker types under Part 2 Product 2.1.1 Double Tier and

2.12 Five Tier, on the drawing, we can only

locate the five tier in room 109 Staff Corr East.

Please provide detail and clarification on where the 2 tier lockers are on shown as we do not see them on the drawing

Double tier lockers are in CAR storage rooms. Refer to AE414 view A3 and A4.

Toilet compartments -- are the only compartments the privacy screens in the toddler and pre school rooms? Do you have any measurements?

To be made from HDPE?

Confirmed toilet compartments are only in toddler and preschool rooms. HDPE material confirmed. Drawing privacy screen shown at 36"D x 36"H.

lockers -- it looks like we have z style lockers in every classroom? and I see the staff lockers. We also have 3 type 2 lockers in 101G, but I don't know what those are -- help? Is the Navy going to be alright with lockers made in China? Almost all metal lockers are made in China these days regardless of who sells them.

Most of the time we sell HDPE to the military

No lockers shown in 101G. See detail A1/AE704 for casework details.

Lockers and can be a 3 stacking style in CAR made of the HPDE or solid plastic. There are American vendors. LockersMFG, American Specialists HPDE.

Accessories -- we have Enlarged drawings for Infant -- are the Pre Toddler the same as far as accessories are concerned? Same thing --we have enlarged drawings for Pre School --are the Toddler the same?

Confirmed.

The air barrier specs for P1334 are calling for a vapor permeable sheet air barrier membrane that is 40mils thick.

We do not know of a permeable membrane this thickness.

Henry Blueskin transition membranes are 40 mils but they are non-permeable and are used in combination with a fluid applied membrane that can be permeable.

Can you please provide a Basis of design or

The manufacture and product is acceptable as sheet applied. Self-adhered water resistive air barrier membrane comprised of rubberized asphalt integrally laminated to an engineered thermoplastic film surface.

inquire about this?

Security Requirements 1.3.2.1 states “Aliens are not allowed on the project site.”. Does this mean that permanent resident (green card) and work authorized are not allowed to work this project? Only citizens?

Access is determined by activity regulations.

Contractor should ensure their team is able to meet DBIDs requirements for base access.

Spec Section 25 10 10:

Integrate ASHRAE 135 (BACnet) field control systems installed per Section 23 09

23.02 BACNET DIRECT DIGITAL

CONTROL FOR HVAC AND OTHER

BUILDING CONTROL SYSTEMS with the existing Automated Logic Controls UMCS over the IP network.

Is it the intent of NAVFAC to complete the integration of P-1334 under a separate agreement with Automated Logic Controls, or shall the scope of the integration be included as part of this project or associated contract with a third-party controls vendor?

Integration of the DDC system to the existing Automated Logic Controls UMCS is required as part of this project per specification 25 10 10.

The air barrier specs for P1334 are calling for a vapor permeable sheet air barrier membrane that is 40mils thick.

Henry Blueskin transition membranes are 40 mils but they are non-permeable and are used in combination with a fluid applied membrane that can be permeable.

Can you please provide a Basis of design or inquire about this?

The manufacture and product is acceptable as sheet applied. Self-adhered water resistive air barrier membrane comprised of rubberized asphalt integrally laminated to an engineered thermoplastic film surface.

Can you please issue the delivery schedule and any events scheduled at the Navy Lodge ?

Navy Lodge receives deliveries every day. Contractor coordination with the government will be required per note J. on drawing sheet G-002 "Disruptions to the Navy Lodge are to be minimized. A Minimum of a 72 hour advance notice is to be given to the government of any construction activities that will impact the Navy Lodge (via the NAVFAC construction manager).

Please advise if the SF6 walls shown to enclose the storage rooms are terminated above ceiling, or need to go all the way to the deck.

Child Activity Room Storage room interior walls labeled SF6 can terminate 6" above ceiling.

This sentence states "Aliens are not allowed on the project site." Please verify that US Citizens and US Nationals/Green Card Holders are allowed on site.

Access is determined by activity regulations.

Contractor should ensure their team is able to meet DBIDs requirements for base access.

Spec section 133420 2.2.6 references 087100 for the hardware. There are no sets on the door schedule or in 087100 for 201A, 202A, 203A, 204A. Please advise what, if any, hardware is to be provided by the hardware supplier.

See AE601 at schedule and in table 3-1 Hardware Schedule. Pre-engineered shed requires a storage lock-set with pinch guards/hinge cups.

Wall type FF calls for gypsum board 6” above ceiling. The wall section details on AE501 show the Gypsum to the deck. Please clarify what is to be used.

FF Furing walls go to deck to meet the room STC, OIC requirements

Please provide additional details for the kitchen area. There appears to be a blow-up but no detail is shown.

See all Kitchen Sheets. K-010 through K-601. It is located at the back of the set.

Page IN403 elevation C2- Room 108 calls for a slope to the Prefab shower pan. Please advise if a recess is required here.

Refer to D1/AE701 for shower pan detail.

Page IN501 elevation A2 shows metal for flash cove cap. Specs 09 65 00 call for rubber round cap. Which material should be installed here.

Provide rubber round cap as called for in the specification.

There is no top cap called out on 4' walls.

Please advise if this is the intent.

AE302 Wall Type SH. SS-1 cap is identified.

Roof and Deck Insulation 1.8 Fire Performance Requirements calls out a glass mat gypsum board required as a thermal barrier, but it is not called out on the drawings. Is this board required and if so, please provide an update roof section detail.

Drawings include details with the Glassmat called out.

Example See Keynote 3 sheet AE303 for EPDM roofing. See Keynote 8 Sheet AE501 for Standing Seam Roof

Currently there are no air barrier products that are available to the market that are permeable AND 0.040 mils. There are several products that are 0.040 mils, but they are Non- Permeable, and typically combined with a fluid applied membrane that is permeable.

Please advise if the intent is to combine both fluid applied and sheet products or if it is only for sheet products, if a 0.023 mil product would be acceptable as this is the thickest available. Also, if a fluid applied membrane is needed, please provide a specification.

The manufacture and product is acceptable as sheet applied. Self-adhered water resistive air barrier membrane comprised of rubberized asphalt integrally laminated to an engineered thermoplastic film surface.

On Page CU101 the plans call out for contractor to provide vertical re-alignment of existing 8” Water main. Are there provided shut off valves or should contractor plan to tap and bypass?

Existing survey does not show any shut valves of the existing water line. Contractor may have to create a bypass line while working this utility crossing.

Does this project have US Citizenship only requirements for access to or working on the site?

Access is determined by activity regulations.

Contractor should ensure their team is able to meet DBIDs requirements for base access.

Is water available at the project site and who pays for the service?

Cost for connecting and use of utilities is the responsibility of the contractor. Assume utilities are available on site. Review specification 01 50 00 for temporary utility requirements.

Is power available at the project site and who pays for the service?

Cost for connecting and use of utilities is the responsibility of the contractor. Assume utilities are available on site. Review specification 01 50 00 for temporary utility requirements.

Confirm who the vendor is that currently services the on base Fire Alarm system.

NAVFAC MIDLANT Public Works

Confirm who the vendor is that currently services the on base HVAC Control system.

Automated Logic Controls.

Please confirm the latest hydrant flow test was from 2023 & that a new flow test will be required as part of the base bid.

Perform a hydrant flow test in accordance with Specification 21 13 13 Section 1.2.1.1.

Please confirm that settlement plates are required with weekly monitoring reporting.

Confirmed. The Geotechnical report recommends settlement plate monitoring and allowance of 45 days for observations after placement of fill.

Drawings L-401 thru L-404 list Playground Equipment Schedules. Please clarify if playground equipment is purchased by general contractors or is to be purchased by the Government. If by the contractor, please clarify required manufacturer or are substitutions allowed?

Confirmed, all playground equipment is to be furnished by the contractor as part of this contract. All equipment must meet specifications, design intent, sustainability requirements and safety requirements as provided in the construction package. Substitutions must be submitted for approval.

Please confirm site furnishings listed on L- 405 at to be furnished by general contractor?

Confirmed, all site furnishings are to be furnished by the contractor as part of this contract.

IF101C note 4 shows tablet kiosk station.

Please clarify if general contractor is to provide tablets?

Tablets are GFGI equipment, not FF&E.

EP101C shows receptacles at the kiosk station at 60". The lobby countertop is at 34". Please confirm 60" is correct for power and telecom.

The confirmed receptacle elevation should be 40" AFF.

Refer to A2/AE704.

E-601 lists Dominion Energy as providing the Transformer, Meter and CT cabinet. Is Dominion also installing the primary duct bank?

Dominion Energy does not require primary duct bank, refer to ES101 for installation requirements of primary feeders.

Please confirm that staff lockers and storage shelving is not included in contract.

Not confirmed. Lockers and storage shelving is required as part of the contract.

Please confirm the kitchen exhaust hoods need to be connected to the BAS system.

Confirmed, refer to M-803 for sequence of operations.

Please confirm the kitchen walk in freezers need to be connected to the BAS system.

The walk in freezers are not required to be connected to the BAS.

Due to limited subcontractor availability to provide bids for the P13334 Child Development Center project next week, we respectfully request an extension of the bid due date to July 8th.

An extension would allow for increased participation from the subcontractor community, which we believe will result in more competitive pricing and overall benefit the project.

The proposal due date has been extended to 23 July 2025 at 2:00pm ET.

Please confirm that the AV requirements outlined in spec 27 41 00 Audio Visual Systems are to follow the Best Value Determination process and have the package developed by a CTS certified AV engineer.

The spec section 27 41 00 does not refer back to section 12 00 01.00 20 in any way – so confirmation that the AV package must be developed following the Best Value determination process is unclear.

The AV package shall be developed following the Best Value Determination (BVD). The spec section we use for the base bid construction contract is a Division 01 Spec, 01 30 02.00 22 (Will upload as an attachment).

This spec outlines the BVD Process including meetings and submittal requirements.

PV System Schedule requires Q Cell 490 w PV system but manufacturer does not produce this wattage anymore. Please confirm if Q Cell 590 w panels at a quantity of 125 is acceptable.

Q Cell PV panels were a basis of design, and the Solar PV system is a delegated design.

Drawings call for the use of external DC combiner boxes in the PV system design.

However, the drawings call for SMA Sunny Tripower CORE1 50 kW / 62 kW inverters, which come equipped with 12 direct string inputs, integrated string fusing, built-in DC disconnects, and surge protection (SPD).

Please confirm if we can remove the unnecessary DC combiners.

The DC combiner boxes are not required if there is an readily accessible disconnecting means, surge protection and system compatibility.

SMA Sunny Tripower CORE1 was a basis of design, and the Solar PV system is a delegated design.

The current design shows two AC disconnects and two points of interconnection, but per NEC and Dominion Energy guidelines, only one point of disconnect and one interconnection is allowed.

This would require combining both inverter outputs into a single panelboard, leading to:

• One AC disconnect

• One 150A breaker for final PV connections Please confirm if this correction is acceptable.

Dominion Energy requires written approval for more than one point of interconnection. PV system is a delegated design.

The drawings show tilt-mounted solar panels on a 3:12 sloped metal roof, which is not practical or structurally possible. We recommend switching to a flush mount system using S-5! clamps and IronRidge rails, which are well-suited for this roof type. Flush mounting reduces structural load, simplifies installation, and offers adequate solar performance on a 14° slope. Please confirm if we can proceed with the flush-mount design.

Solar Panel is a delegated Design.

Please confirm the racking system (type, manufacturer, and model) specified for the solar installation.

Solar Panel is a delegated Design.

Please provide more information on the DAS (Data Acquisition System) and PV monitoring requirements.

Specifically:

• What are the system monitoring requirements?

• Are a weather station or sensors required (e.g., irradiance, temperature, wind)?

• If so, please specify the exact sensor types needed.

Refer to specification 26 31 00 for requirements.

Is Keynote <1> required at the <E> window in Training [123]?

Yes, window treatment is required.

Is Keynote <1> required at the <B> window in Pre-School [145]?

Yes, window treatment is required.

IN601, Interior Finish Legend, WS-1.

Location states, “Refer to RCP for Locations”.

May we exclude shades at locations that are not designated by Keynote 1 on RCPs to receive shades?

Confirmed, except for responses to comment 82 and 83.

IN601, Interior Finish Legend, WS-1.

Location states, “Refer to RCP for Locations".

May we exclude shades at: Doors, vestibules, corridors, interior glazing?

Confirmed.

IN601, Interior Finish Legend, WS-1 Comments states, “Roller Shade to not be within 48” of the floor.” Is the “Lower Limit” (bottom of shade coverage) for shades at Storefronts A, B, C, G equal to 48” AFF (excluding door transom shades which only cover the transom glazing)?

Confirmed.

IN601, Interior Finish Legend, WS-1 Comments states, “Roller Shade to not be within 48” of the floor.” Is this requirement for classroom shades only, or all shades in the project?

This requirement is for all shades in the building, but especially the child activity rooms.

The bid drawings call for the use of external DC combiner boxes in the PV system design.

However, the drawings call for SMA Sunny Tripower CORE1 50 kW / 62 kW inverters, which come equipped with 12 direct string inputs, integrated string fusing, built-in DC disconnects, and surge protection (SPD).

SMA Sunny Tripower CORE1 was a basis of design, and the Solar PV system is a delegated design.

Please confirm if we can remove the unnecessary DC combiners

The current design shows two AC disconnects and two points of interconnection, but per NEC and Dominion Energy guidelines, only one point of disconnect and one interconnection is allowed.

This would require combining both inverter outputs into a single panelboard, leading to:

- One AC Disconnect

- One 150A breaker for final PV connections Please confirm if this correction is acceptable

Dominion Energy requires written approval for more than one point of interconnection. PV system is a delegated design.

Please provide more information on the DAS (Data Acquisition System) and PV monitoring requirements.

- What are the system monitoring requirements?

- Are a weather station or sensors required (e.g., irrdaniance, temperature, wind)?

- If so, please specify the exact sensor types needed

Refer to specification 26 31 00 for requirements.

Reference Drawings: E-601 & E-602

The bid drawings call for the use of external DC combiner boxes in the PV system design.

However, the drawings call for SMA Sunny Tripower CORE1 50 kW / 62 kW inverters, which come equipped with 12 direct string inputs, integrated string fusing, built-in DC disconnects, and surge protection (SPD).

Please confirm if we can remove the unnecessary DC combiners

SMA Sunny Tripower CORE1 was a basis of design, and the Solar PV system is a delegated design.

The current design shows two AC disconnects and two points of interconnection, but per NEC and Dominion Energy guidelines, only one point of disconnect and one interconnection is allowed.

This would require combining both inverter outputs into a single panelboard, leading to:

• One AC disconnect

• One 150A breaker for final PV connections Please confirm if this correction is acceptable.

Dominion Energy requires written approval for more than one point of interconnection. PV system is a delegated design.

RFI 4:

Reference Drawings: E-601 & E-602

Which contractor is responsible for the wiring and controls required to disengage the PV inverter when the generator is running?

Our understanding is that this falls under the electrical or controls contractor. Please confirm if our understanding is correct

It is the responsibility of the Prime Contractor to assign and coordinate scope among the subcontractors to ensure complete and compliant delivery of the project.

RFI 5:

Reference Drawing: E-601

Which contractor is responsible for installing conduits and conductors from the inverters to the BAS system, and who will handle the integration of the BAS with the PV system?

We understand this is also the responsibility of the electrical or controls contractor. Please confirm if our understanding is correct.

It is the responsibility of the Prime Contractor to assign and coordinate scope among the subcontractors to ensure complete and compliant delivery of the project.

Reference Drawing: E-601 & E-602 Please confirm the division of scope as follows:

• PV Contractor: Installation of PV modules, rapid shutdown devices, inverters, and conduit/conductors from the modules to the inverters and from the inverters to the PV panel in Room E141.

• Electrical Contractor: Installation of panel PV, AC disconnect, final terminations at PNL MDP, and conduit/conductors from panel PV to the AC disconnect and from the disconnect to the MDP.

Please confirm if this scope breakdown is accurate.

It is the responsibility of the Prime Contractor to assign and coordinate scope among the subcontractors to ensure complete and compliant delivery of the project.

Reference Drawing: E-601 & E-602 Please provide more information on the DAS (Data Acquisition System) and PV monitoring requirements.

Specifically:

• What are the system monitoring requirements?

• Are a weather station or sensors required (e.g., irradiance, temperature, wind)?

• If so, please specify the exact sensor types needed.

Refer to specification 26 31 00 for requirements.

Reference Drawings: EP128 & E-601

Please confirm which contractor is responsible for the complete lightning protection system for the facility.

Our understanding is that the electrical contractor will be responsible for providing and installing the facility's lightning protection system, and the PV contractor will bond the PV system to the lightning protection as required.

Please confirm if this is correct.

It is the responsibility of the Prime Contractor to assign and coordinate scope among the subcontractors to ensure complete and compliant delivery of the project.

Please advise if the CJ&A this is in place for NSA which limits the acceptable DDC manufacturers to Siemens & ALC is in force for P1334 Child Development Center.

Please see Amendment 0002 for the class J&A.

Spec section 064116 sub section 2.5.2 for the cabinet pulls states ""Brushed Nickle with 128 Width, BHMA No. 156.9". Please clarify what pull is required for this project.

Brushed nickel finish with 4" spread handle width is required for this project.

Spec section 064116 sub section 2.10..6.1 b states for semi exposed interior surfaces of casework to be CLS (cabinet Liner). Will white melamine be acceptable in lieu of liner?

No, semi-exposed interior surfaces must not be white melamine since it is semi-exposed.

Specification Section 01 57 19 Page 13 paragraph 1.5.1.1.1 states, “All excavated soils must be disposed of at a RCRA Subtitle D lined landfill.” However, the Final Geotechnical Recommendations Memorandum dated August 22, 2024 included in the Earthwork specifications (Section 31 00

00) states, “Contaminated surplus soil materials must be disposed of at a lined permitted Resource Conservation and Recovery Act (RCRA) Subtitle C that accepts PFAS impacted soil media…” Please clarify if surplus spoils should be taken to a Subtitle C or Subtitle D landfill.

Specification 01 35 13.43 10, paragraph 3.13.3 through

3.1.3.5 requires contractor to determine the nature and extent of contamination. Soil testing is required in Specification 01 57 19, paragraph 1.5.1.1.1. Soil meeting the requirements of a Subtitle D landfill should be disposed there.

Please confirm bidders should include per plan excavation and on-site stockpiling of soil in their base bid (Line Items 0001A and 0001B). The 3-5’ excavation below the main building pad to between approximate EL 3.0 and EL 5.0 (depending on depth of undercut) will be paid for using Line Item 0001C (approximate quantity 7,500 CY). All stockpiled soils (from both per plan excavations and undercuts) will be tested and then hauled off-site for disposal at an appropriate facility and paid for using Line Item 0001D (approximate quantity 25,000

TN).

Confirming that this is a correct understanding of the price schedule and base bid requirements.

Can existing topsoil on the site be stockpiled and re-spread or should contractor plan to import all topsoil needed?

Non-contaminated onsite topsoil is acceptable. Soil testing is required as a bid option. Base bids on providing all imported topsoil

Please confirm the only material the contractor should expect to encounter that should be hauled to a Subtitle C (Hazardous) Landfill will be the spent GAC treatment media from the de-watering operations.

Specification Section 01 57 19, paragraph 1.5.1.1.1 requires testing of excavated soil. Specification 01 35

13.43 10, paragraphs 3.1.3.3 through 3.1.3.5 requires contractor to determine the nature and extent of contamination. The possibility exists that material other than the GAC treatment media will require disposal at a RCRA Subtitle C facility.

Please confirm that any hazardous contaminated soils encountered onsite will be handled with a change order due to there not being a bid item for hazardous material disposal.

Confirming that this is a correct understanding.

Please confirm if the abandoned railroad tracks that the contractor is called to demo will have a creosote treated rail ties that will need to be disposed of.

The creosote treated rail ties to be affected by this project require proper permitted disposal facility.

Will the owner provide a separate bid item for treatment of contaminated groundwater using a GAC filter treatment system?

The cost for handling, testing and treatment of all construction site stormwater and all construction dewatering effluent must be included in the base bid per spec section 01 57 19, para 1.5.1.1.4.2

(End of Summary Changes)