Lake Quality Retrofit

Agency: State Government of Virginia
State: Virginia
Level of Government: State & Local
Category:
  • B - Special Studies and Analyses - Not R&D
Opps ID: NBD14089126987679367
Posted Date: May 21, 2020
Due Date: Jun 9, 2020
Solicitation No: IFB ITB 20-51/CLP-2
Source: Members Only
IFB ITB 20-51/CLP-2
  • Lake Quality Retrofit
  • Status: Open
  • Time Left:18 days
  • Closing: 6/9/20 10:00 AM
  • Issued: 5/14/20 5:20 PM
  • Last Amended: 5/20/20
  • Buyer:Carla Potter
  • clpotter@hampton.gov
  • 757-727-2202

  • Issued By:City of Hampton
  • Type:Invitation for Bids (IFB)
  • Category:Construction
  • Work Location: Lynnhaven Lake located north of Todds Lane beween Lakeshore and Lynnhaven Drives
  • Web Address:
  • Pre-Bid Conference: 5/26/20 2:30 AM Pre-Bid Conference
  • Open Responses:6/9/20
  • Description:Retrofit of the existing Lynnhaven Lake into a level 2 wet pond. Scope includes, but not limited to, excavation, backfilling, installation of storm sewer systems, installation of aeration (bubblers), installation/removal of all necessary erosion and sediment control devices, marsh planting, plants and all other necessary items to properly complete the project. Note: : Pre-bid meeting is scheduled for May 26, 2020 @ 2:30 location TBD (if COVID-19 precautions are in effect it will be a virtual meeting.) Notification of meeting logistics will be provided in Addendum 1.. Update 5/20/2020 pre-bid meeting will be virtual via Zoom meeting. Details in addendum.
  • Amendment/Cancellation Information:Addendum 1: Due to restrictions as a result of COVID 19, we are having a virtual pre-bid meeting via Zoom. The meeting will be Tuesday, May 26, 2020 at 2:30PM. Meeting access information: Topic: Lynnhaven Lakes Water Quality Retrofit (Pre-Bid Meeting) Time: May 26, 2020 02:30 PM Eastern Time (US and Canada)

Attachments
ITB 20-51CLP LYNNHAVEN LAKE WQ RETROFIT.pdf ITB 20-51/CLP 05/14/20 ITB 20-51CLP Lynnhaven Lakes Bid Sheet.pdf ITB 20-51/CLP Bid Pricing Sheets 05/14/20 ITB 20-51CLP (15-062 Test Hole REPORT 3-8-17).pdf ITB 20-15/CLP Test Hole Report 05/14/20 ITB 20-51CLP (2019-03-27 Project Specific Provisions_Lynnhaven Lake).pdf ITB 20-15/CLP Project Specific Provisions 05/14/20 ITB 20-51CLP (Nationwide Permit 43).pdf ITB 20-51/CLP Nationwide Permit 43 05/14/20 ITB 20-51CLP (NP 43 lynnhavenlakedrawings).pdf ITB 20-51/CLP NP43 Lynnhaven Lake Drawings 05/14/20 ITB 20-51CLP (NWP_Verification_Lynnhaven Lake).pdf ITB 20-51/CLP NWP Verification 05/14/20 ITB 20-51CLP (SWPP FINAL_2_19_19).pdf ITB 20-51/CLP SWPP Final 05/14/20 ITB 20-51CLP LH LAKE_REV_3_11_20-signed - reduced.pdf ITB 20-51/CLP LH Lake Rev 05/14/20 ITB 20-51CLP Lynnhaven Lake Specifications Modifications_FINAL.pdf LITB 20-51/CLP Lynnhaven Lake Spec 05/14/20 ITB 20-51CLP LYNNHAVEN LAKE WQ RETROFIT PROJECT NOTEBOOK_12_27_17 v.1.pdf ITB 20-51/CLP Lynnhave Lake Retrofit Project Notebook 05/14/20 ITB 20-51CLP Addendum 1 Lynnhaven Lake.pdf ITB 20-51/CLP Addendum 1 05/20/20
Attachment Size Description Posted On Type
ITB 20-51CLP LYNNHAVEN LAKE WQ RETROFIT.pdf (637.75 KB) ITB 20-51/CLP 05/14/20 Solicitation
ITB 20-51CLP Lynnhaven Lakes Bid Sheet.pdf (36.01 KB) ITB 20-51/CLP Bid Pricing Sheets 05/14/20 Solicitation
ITB 20-51CLP (15-062 Test Hole REPORT 3-8-17).pdf (744.55 KB) ITB 20-15/CLP Test Hole Report 05/14/20 Solicitation
ITB 20-51CLP (2019-03-27 Project Specific Provisions_Lynnhaven Lake).pdf (219.84 KB) ITB 20-15/CLP Project Specific Provisions 05/14/20 Solicitation
ITB 20-51CLP (Nationwide Permit 43).pdf (108.69 KB) ITB 20-51/CLP Nationwide Permit 43 05/14/20 Solicitation
ITB 20-51CLP (NP 43 lynnhavenlakedrawings).pdf (4.35 MB) ITB 20-51/CLP NP43 Lynnhaven Lake Drawings 05/14/20 Solicitation
ITB 20-51CLP (NWP_Verification_Lynnhaven Lake).pdf (164.39 KB) ITB 20-51/CLP NWP Verification 05/14/20 Solicitation
ITB 20-51CLP (SWPP FINAL_2_19_19).pdf (10.14 MB) ITB 20-51/CLP SWPP Final 05/14/20 Solicitation
ITB 20-51CLP LH LAKE_REV_3_11_20-signed - reduced.pdf (22.44 MB) ITB 20-51/CLP LH Lake Rev 05/14/20 Solicitation
ITB 20-51CLP Lynnhaven Lake Specifications Modifications_FINAL.pdf (168.08 KB) LITB 20-51/CLP Lynnhaven Lake Spec 05/14/20 Solicitation
ITB 20-51CLP LYNNHAVEN LAKE WQ RETROFIT PROJECT NOTEBOOK_12_27_17 v.1.pdf (13.64 MB) ITB 20-51/CLP Lynnhave Lake Retrofit Project Notebook 05/14/20 Solicitation
ITB 20-51CLP Addendum 1 Lynnhaven Lake.pdf (397.14 KB) ITB 20-51/CLP Addendum 1 05/20/20 Solicitation

Attachment Preview

LYNNHAVEN LAKE WATER QUALITY RETROFIT
STANDARD SPECIFICTION MODIFICATIONS (ITB 20-51/CLP)
TABLE OF CONTENTS
DIVISION II MATERIALS
Section 244 Roadside Development Materials ....................................................................... 2
DIVISION III ROADWAY CONSTRUCTION
Section 301 - Clearing and Grubbing ...........................................................................................3
Section 303 - Earthwork .................................................................................................................3
DIVISION V INCIDENTAL CONSTRUCTION
Section 513 - Mobilization..............................................................................................................4
DIVISION VI ROADSIDE DEVELOPMENT
Section 602 - Topsoil......................................................................................................................5
Section 603 - Seeding.....................................................................................................................5
Section 605 - Planting ....................................................................................................................6
Section 607 Herbicide Spraying .................................................................................................6
SECTION 800 PUMP AROUND OPERATION ..........................................................................................7
SECTION 900 PROJECT SIGN .................................................................................................................7
SECTION 1000 REMOVAL BOLLARDS...................................................................................................8
SECTION 1100 AERATION SYSTEM .......................................................................................................8
ATTACHMENTS:
Stormwater Pollution Prevention Plan (SWPPP)
LYNNHAVEN LAKE WATER QUALITY RETROFIT
STANDARD SPECIFICTION MODIFICATIONS (ITB 20-51/CLP)
VIRGINIA DEPARTMENT OF TRANSPORATION STANDARD SPECIFICATION MODIFICATION FOR
DIVISION II MATERIALS
SECTION 244 ROADSIDE DEVELOPMENT MATERIALS
244.02 Detail Requirements
244.02 (a) Herbicides is amended to include the following additional information:
Herbicide shall be designated and suitable (and labeled as such) for use in riparian buffers, rain
gardens, and wetland areas.
244.02 (b) Topsoil is amended to include the following additional information:
Class B topsoil conforming to the requirements of this section shall be brought in from off-site.
244.02 (c) Seed is amended to include the following additional information:
Seed mixture shall be comprised of seed of specified species, variety proportions by weight, and
minimum percentages of purity, and germination as indicated on the construction drawings. Seed
shall be fresh, clean, dry, new-crop seed complying with the Association of Official Seed Analysts
"Rules for Testing Seeds" for purity and germination tolerances.
244.02 (i) Trees, Shrubs, Vines, and Plants is amended to include the following additional
information:
The Contractor shall provide the quality, size, source, species, and variety of plantings indicated in
the construction drawings, complying with applicable requirements of ANSI Z60.1 “American
Standard for Nursery Stock.” The planting stock shall be grown by nurseries within the same
physiographic province of Virginia. The seed sources for the plant material shall match the
physiographic province of the area to be planted.
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LYNNHAVEN LAKE WATER QUALITY RETROFIT
STANDARD SPECIFICTION MODIFICATIONS (ITB 20-51/CLP)
VIRGINIA DEPARTMENT OF TRANSPORATION STANDARD SPECIFICATION MODIFICATION FOR
DIVISION III ROADWAY CONSTRUCTION
SECTION 301 CLEARING AND GRUBBING
VDOT specification section 301 Clearing and Grubbing is amended to include the following additional
information:
301.02 - Procedures
The Contractor shall only allow movement of construction equipment within the limits of
disturbance shown on the plans and shall avoid all disturbance to existing trees that are to remain.
The Contractor shall restrict the movement of all construction equipment within sensitive areas
including the existing and proposed wetlands.
SECTION 303 EARTHWORK
VDOT specification section 303 Earthwork is amended to include the following additional information:
303.02 Materials
All embankment fills necessary to achieve the grades shown in the construction drawings shall be
evaluated and tested by a qualified Geotechnical Engineer prior to placement to determine if the
material is suitable for intended use. Embankment fill shall be analyzed and approved by the City
inspector or Engineer prior to use in the wetland, or wet pond area.
303.04 - Procedures
Excess material shall not be wasted onsite. All excess excavated materials must be removed from
the site and transported to an appropriately permitted and approved disposal facility or be
temporarily stockpiled in areas designated on the erosion and sediment control plans or as
approved by the Engineer. All alternative disposal sites must have all local, state, and federal
permits necessary to allow the permanent stockpiling of material at such site, and must be
approved by the City Project Manager prior to being utilized for permanent stockpiling of project
materials.
The Contractor is hereby notified that the disposal of objectionable excavation material other than
soils, such as tires, trash, timber, concrete, asphalt, stumps, tree limbs, and other debris shall be
the responsibility of the Contractor.
303.05 Tolerances
All final grades shall meet the construction drawing grading plan and cross sections with a
tolerance of +/- 0.1 feet (1.2 inches). Field conditions may dictate necessary adjustments to
grading plans. Adjustments may include, but are not limited to, spot grading in areas where shrub
and trees need to be planted. Grading in these areas will be determined by the City Project
Manager or Engineer on a site-specific basis.
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LYNNHAVEN LAKE WATER QUALITY RETROFIT
STANDARD SPECIFICTION MODIFICATIONS (ITB 20-51/CLP)
VIRGINIA DEPARTMENT OF TRANSPORATION STANDARD SPECIFICATION MODIFICATION FOR
DIVISION V INCIDENTAL CONSTRUCTION
SECTION 513 - MOBILIZATION
VDOT specification section 513 Mobilization is amended to include the following additional information:
513.01 Description
Section 513.01 Description is amended to include the following additional requirements:
Mobilization shall also include videotaped inspection of the existing conditions of the staging and
project work areas; cleaning of the existing drop inlet and pipes located within staging area;
setup/removal of any required concrete washout area(s); and full restoration of the staging area as
shown on the construction drawings.
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LYNNHAVEN LAKE WATER QUALITY RETROFIT
STANDARD SPECIFICTION MODIFICATIONS (ITB 20-51/CLP)
VIRGINIA DEPARTMENT OF TRANSPORATION STANDARD SPECIFICATION MODIFICATION FOR
DIVISION VI ROADSIDE DEVELOPMENT
SECTION 602 - TOPSOIL
VDOT specification section 602 Topsoil is modified by the following:
602.01 Description
Section 602.01 Description is amended to include the following additional information:
Topsoil (4” deep) shall be used to restore all disturbed areas within the project limits.
602.02 Materials
Section 602.02 is entirely replaced by the following:
Class B topsoil confirming to the requirements of Section 244.02(b)2 shall be brought in from off-site.
Topsoil shall be checked by the Engineer prior to application to determine if the quality of the topsoil
is sufficient.
SECTION 603 - SEEDING
VDOT specification section 603 Seeding is modified by the following:
603.01 Description
Section 603.01 Description is amended to include the following additional information:
Temporary and permanent seeding shall be applied to all disturbed areas in accordance with the
applicable DCR/DEQ soil stabilization provisions as shown on the construction drawings.
603.02 Materials
Section 603.02 Materials is amended to include the following additional information:
Seed shall be delivered in original sealed, labeled, and undamaged containers. Seed mixture shall
be comprised of seed of specified species, variety proportions by weight, and minimum percentages
of purity, germination, and maximum percentage of weed seed as indicated on the construction
drawings. Seed shall be fresh, clean, dry, new-crop seed complying with the Association of Official
Seed Analysts "Rules for Testing Seeds" for purity and germination tolerances.
603.03 Procedures
Section 603.03(a) Preparing Soil is amended to include the following additional information:
The areas to be seeded are to be examined prior to seeding to ensure compliance with requirements
and conditions for seed establishment. The Contractor shall not proceed until unsatisfactory
conditions have been corrected.
Section 603.03(b) Applying Lime is amended to include the following additional:
“Roadside Development plan sheet” is to be replaced with “Construction Drawings”.
Section 603.03(c) Applying Fertilizer is amended to include the following additional:
“Roadside Development plan sheet” is to be replaced with “Construction Drawings”.
Section 603.03(c) Applying Seed is amended to include the following additional information:
Seeding shall be done evenly using a mechanical or hand seeder. A drag shall be used to cover the
seed with no more than 1/2 inch of soils. Where a drag cannot safely be utilized, the seed shall be
covered by hand raking.
Temporary and permanent seeding shall be applied at proper rates and during proper seasons as
specified on the Construction Drawings. After being sown, the seed is to be raked into the top 1/8
inches of the topsoil, lightly rolled, and watered with fine spray.
Section 603.04 Measurement and Payment is amended to include the following additional
information:
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