Polypropylene Barrier Wall

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Polypropylene Barrier Wall Construction
1. Purpose
The Tennessee Department of Transportation is soliciting bids to establish a contract to
provide labor, equipment, materials and supplies for polypropylene barrier wall
construction. The contract period shall be one year from date of award with two one-
year renewal options. A single Contractor will be awarded the contract.
2. Scope of Work
The Contractor shall be responsible for the construction of barrier walls using
polypropylene bags filled with Class A concrete, including the provision of all necessary
materials and installation services. Specific installation locations and quantities will be
provided to the Contractor through a Purchase Order as needed. TDOT does not
guarantee any minimum amount of work under this contract. The Contractor must have
the necessary resources and capacity to perform the required services at any location
within the state of Tennessee.
For each project, the Contractor will be responsible for providing any/all line items as
directed by the Tennessee Department of Transportation.
3.Specifica�ons and Cost Basis
A)Bag Barrier:All sizes of the barriers shall have a 2' opening at the top that is
centered on the base of the barrier. The base of the barrier will be 2' wider than the
height of the barrier. The barrier shall be baffled every 2'. The barrier shall be made
of 8 oz. polypropylene. The barrier shall be waterproof or plastic coated. The barrier
shall be capable of being put together to make a continuous barrier. The barrier
must be of sufficient strength to maintain the needed amount of material (concrete,
gravel, sand, stone, or millings). Minimum quantity of bag length is 50' and
additional lengths will be in 50' increments
B) Reusable Bag Barrier:Reusable barriers can be used multiple times and shall
become the property of TDOT after the initial use, all sizes of the reusable barrier
shall have a 2' wide opening at the top. The base of the reusable barrier shall be 2'
wider than its height. Reusable barrier shall be baffled every 2'. The reusable barriers
shall be made of 8 oz. polypropylene. The reusable barriers shall be plastic coated or
waterproof. The reusable barrier shall have a separable bottom section and top

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section. The two sections, top and bottom, shall be put together to make a
continuous reusable barrier. Minimum quantity of bag length is 50' and additional
lengths will be in 50' increments. Fill material may be provided by TDOT, if available,
as directed by TDOT Engineer in charge of project.
Cost Basis for Bag Barriers and Reusable Bag Barriers:Minimum quantity of bag
length is 50' and additional lengths will be in 50' increments. Cost is requested
per linear foot for the following sizes
• 2 feet tall with a 2-foot-wide opening at the top (top is a total of 2 feet wide
and with a 4-foot-wide base)
• 3 feet tall with a 2-foot-wide opening at the top (top is a total of 2 feet wide
and with a 5-foot-wide base)
• 4 feet tall with a 2-foot-wide opening at the top (top is a total of 2 feet wide and
with a 6-foot-wide base)
• 6 feet tall with a 2-foot-wide opening at the top (top is a total of 2 feet wide and
with a 8-foot-wide base)
C) Installation Equipment: Cost shall include all equipment and operators needed to
install/hold bag before and during filling with material. Cost is requested per hour.
D)Labor:Cost shall include all non-equipment labor costs required for delivering the
bags to the site, filling, and installing the bags. Cost is requested per hour.
E)On-SiteTechSupport:Provide on-site technical support personnel to assist with oversight,
guidance, and troubleshooting during installation. This support is intended to aid the
installation team and ensure proper deployment of the barrier system. Cost is requested per
hour.
F)ConcretePump Truck: Cost shall cover actual use, doesn't include down�meor travel time.
Cost is requested per hour.
G)Concrete Placing Boom: The boom must have a 52' reach and must be self-propelled, so it
can maneuver around job site. Cost shall cover actual use, doesn’t include down time or
travel time. Cost is requested per hour.
H)Concrete:Concrete shall be Class A concrete. Charges shall apply only to quantities properly
placed as part of the installation. Spillage, overages, or unused material will not be eligible
for payment. Cost is requested per cubic yard.

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I) Small Deflection Barriers: 27" base, 3' long barrier shall have 3 cells, each cell at the
top shall have a 12" by 12" opening. Each barrier shall have a male and female end for
joining together. Strap webbing and D- rings shall be used to attach each barrier
together. Lifting loops shall be attached to the barrier at each end. Attached lid with 3
straps and D-rings shall be used for full containment. Material is 8.5 oz. polypropylene.
Cost is requested per barrier.
J)Large Deflection Barriers: 36" base, 4' long barrier shall have 4 cells, each cell at the
top shall have an 18" by 18" opening. Each barrier shall have a male and female end for
joining together. Strap webbing and D-rings shall be used to attach each barrier together.
Lifting loops shall be attached to the barrier at each end. Attached lid with 3 straps and
D-rings shall be used for full containment. Material is 8.5 oz. polypropylene. Cost is
requested per barrier.
K) 6"Minus Stone:All aggregate must pass thru a six-inch opening. An alternative to
aggregate is clean compacted sand for back fill. Fill material may be provided by
TDOT, if available, as directed by TDOT Engineer in charge of project. Cost for Sand
and Stone requested per ton.
L) 6" Water Pump:Minimum 6" discharge. Cost is requested per hour.
M) 4” Perforated Pipe:Cost shall include furnishing and installing 4-inch diameter
perforated drainpipe where required by site conditions. Pipe shall be suitable for
subsurface drainage applications and installed per project-specific layout. Cost is
requested per linear foot.
N)Additional Heavy Equipment:Cost shall include furnishing and operating the
following heavy equipment as required by site conditions and shall cover actual use
only (does not include down time or travel time). Equipment shall be operated by
qualified personnel and used in support of installation, mobilization, or other
project-related activities.
Cost Basis for Heavy EquipmentCost is requested per hour (unless otherwise
noted) as follows:
• Trackhoe with Operator
• Long Reach Trackhoe with Operator
• Loader with Operator
• Dump Truck with Operator

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• Light Plant (per Day)
O)Mobilization:Mobilization may be required under both routine and emergency
conditions and includes two categories: bag deployment and heavy equipment
mobilization. Bag deployment mobilization involves transporting and staging
equipment and materials necessary for bag installation. Heavy equipment mobilization
includes the transport of machinery such as trackhoes and dump trucks. Routine
mobilizations shall require the Contractor to be on site within 30 days or less.
Emergency mobilizations shall require the Contractor to be on site within 5 days or
less.
Cost Basis for MobilizationCost is requested per each job and type as follows:
• Routine Mobilization Bag Deployment
•Emergency Mobilization Bag Deployment
• Routine Mobilization Heavy Equipment
• Emergency Mobilization Heavy Equipment
P) WorkZone Traffic Control:The Contractor shall provide work zonetrafficcontrol
(including devices, placement, equipment/ vehicle requirements, and worker
requirements) in accordance with the latest editions of the following documents:
•Manual on UniformTracControl Devices (MUTCD)
All work zone traffic control devices shall be appropriate/proper for the given work
zone and shall be in place before work commences each business day. The Engineer
shall direct to Contractor to suspend operations at any time Work Zone Traffic
Control is not compliant. The Contractor shall take immediate action to correct the
deficiencies. No work shall proceed until the deficiencies are corrected. All Work
Zone Traffic Control devices shall be promptly removed when work is complete.
All Traffic Control Plans must be approved by the TDOT Engineer in charge of project prior to
beginning work.
Cost Basis for Traffic ControlCost is requested per day for the following road types:
• Interstate
• Primary road
• Secondary road

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4. SCHEDULING
In accordance with the deadlines outlined under theMobiliza�on sec�on, TDOT will coordinae
with the Contractor to establish a start date for the work. Once work begins, the Contractor
shall proceed on consecu�vebusiness days, exclusive of State recognized holidays and
inclement weather,un�l all requesed work is compleedand approved by the TDOT Engineer.
Work shall be performed between the hours of 7:00 A.M. and 5:00 P .M.
5. CONTRACTOR RESPONSIBILITY
The Conracor shall preparehe worksie in a mannerhaensures safe and ecien
opera�ons.The Contractor shall be responsible for the secure transport, handling, and on-site
storage of all materials and equipment. Materials shall be stored in a manner that prevents
conamina�on, degrada�on, or safey hazards.The Contractor shall take all necessary
precau�onso avoid damageo exis�ng srucures, u�li�es,and roadways. Any damage caused
byhe Conracor’s opera�ons shall be repaired or replaced at the Contractor’s expense and to
he sa�sfac�on of TDOT. If deciencies are iden�ed,he Conracor shall be no�ed in wri�ng
and shall correche deciencies wihin a�meframe specied by TDOTat the Contractor’s own
cost.Upon comple�on of work,he Conracor shall resorehe sieo is original or an
improved condi�on, free of debris, excess maerials, and equipmen.
Contractorshall provide documena�on of currenor previous conracs demonsra�ng
successful experience, within the last 5 years,wihhe insalla�on of large-scale polypropylene
bag barrier systemsincluding deploymen,lling, and sabiliza�on for erosion conrol orood
mi�ga�on purposes.
6.FEDERAL PROVISION REQUIREMENT
The Contractor shall comply with all applicable federal requirements as outlined in the most
recent version of Form FHWA-1273, “Required Contract Provisions for Federal-Aid Consruc�on
Contracts,” which is incorporated by reference into this contract and provided as Atachment
Oneohis solicia�on. Compliance wihhese provisions is mandaoryo ensurehaany work
performed under this contract remains eligible for federal reimbursement.