RFQ 1734 Scope & Specifications-Final.pdf

PDF 30 MB Posted May 1, 2025

Attached to: IDOT D3- Near Rock Rapids- Installation of Tile Crossing under IA-9 at Station 1103+50 (MP: 17.49)
Solicitation number: 645-RFQ-1734-2025
Issued by: Linn County, Iowa

About this file

Written by GovTribe AI · May 8, 2025

This document is a Request for Quote (RFQ 1734) issued by the Iowa Department of Transportation (Iowa DOT) for the installation of a tile crossing under Highway IA-9 in Lyon County. The project involves installing approximately 120 linear feet of 8-inch diameter tile across the highway at Station 1103+50 (Milepost 17.49), with the solicitation open from Monday, April 28, 2025, at 1:00 PM CT to Monday, May 19, 2025, at 1:00 PM CT. Bidder questions are due by Wednesday, May 14, 2025, at 4:30 PM CT. The project requires trenchless construction for the section crossing under the highway and includes connecting the new tile to existing tile lines, with specific installation requirements outlined in the Iowa DOT Standard Road Plans.

The project is funded through state transportation infrastructure resources, with a project code of STPN-009-1(065)--2J-60 and work code 3542 for subdrains. The contractor will be responsible for providing all labor, materials, and equipment, with specific technical specifications including restrained joint ductile iron or PVC pipe, or casing pipe with minimum wall thickness. The utility permit (60U-2024-003) indicates the work will be completed by December 31, 2025, with strict requirements for traffic control, right-of-way management, and restoration of disturbed areas, including specific seeding mixtures for rural areas and compliance with the Iowa DOT Utility Accommodation Policy.

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Iowa DOT Request for Quote

645-RFQ-1734-2025

Installation of Tile Crossing under IA-9 at DOT STA

Open: Monday, April 28, 2025, 1:00PM CT

Close: Monday, May 19, 2025, 1:00PM CT

Question Cutoff: Wednesday, May 14, 2025, 4:30PM CT

Attached As-Built & Special Requirements As-built Plans 115.8(8)

a. Within 90 days after completion of construction, the utility owner shall submit to the district representative an as-built plan or a letter certifying that the actual placement of the utility facility is as described in the original permit.

b. If the utility owner fails to submit the as-built plan within the time required, the department may hire an independent contractor to locate the utility facility and prepare an as-built drawing. All costs associated with this activity are the responsibility of the utility owner.

c. Any costs occurred by the department or its contractors due to incorrect as-built information supplied by the utility owner or deviations in actual placement from that described in the original permit are the responsibility of the utility owner.

Special Requirements

Refer to TC-1 or TC-202 for required traffic control. Traffic control shall be in accordance with MUTCD at all times. No equipment or personnel shall be in travelled portion of roadway unless lane is closed utilizing TC-213. If lane restriction is required, refer to attached 511 Requirements.

Proposed utility shall be placed as designed and any deviation from approved permit shall be subject to IDOT approval prior to construction.

All equipment and material shall be located outside clear zone and stored as close to ROW line as possible.

All pedestals shall be marked with permanent highly visible posts and signs. The minimum height requirement for the signs shall be 5 foot. Handholes and pedestals shall be set at ROW line or as close as possible in urban areas and flush mounted.

All areas of disturbed vegetation shall be returned to original condition. The top six (6) inches of the disturbed areas shall be free of rock and debris and shall be suitable for the establishment of vegetation. Back filling shall be compacted 6” lifts to prevent settling.

The following seed mixture shall be used for permanent seeding of rural areas.

o Fescue, Fawn 55lbs. per acre o Ryegrass, Perennial (Fineleaf variety) 45lbs. per acre o Birdsfoot Trefoil 5lbs. per acre o Spread 750 lbs. per acre 13-13-13 (or equivalent) commercial fertilizer.

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REPLACEMENT SCHEDULE CASE 'A'

( Pipe size in inches )

PROPOSED SUBDRAIN SIZE D 5

Coated CMP Pipe

6Existing tile size + 6''

Concrete Pipe

Existing

Tile

Size

> 24

Depth as required.

Backfill

Earth required

Width as

Backfill

Earth

Limits

Construction

Shoulder

Pavement

Roadway

ROW Line

Existing Tile Subdrain

Top of Backslope

Toe of Foreslope

F lo w

Shoulder

Existing Tile Subdrain Limits

Construction

ROW Line

Remove or Abandon

Temporary Easement for Subdrain

Subdrain

Existing Tile

ROW Line

Variable

L Roadway

Foreslope ROW Line

Original Ground

FLOW

Existing Tile SubdrainExisting Tile Subdrain

CASE ''A''

SECTION A-A

CASE ''A''

SECTION B-B

CASE ''B''

SECTION C-C

TYPICAL PLAN FOR REPLACING OR RELOCATING EXISTING FIELD TILE

CASE ''B'' CASE ''C''CASE ''A''

1 2 1 2

1 2

A line when possible on most direct

Replace subdrain

B BB

B required

Width as not reconnected but outletted by the roadway and the line is

Where tile line is severed a more parallel alignment and the line is relocated in

Where tile line is within the ROW the line is reconnected.

by the roadway and

Where the tile line is severed ditch drainage into subdrain if approved by adjacent property owners.

downstream property owners. Perforated pipe may be used to allow

Inspection access is required to allow inspection by the upstream and subdrain according to the replacement schedule is required.

Dimension A indicates the R.O.W. limits in which replacement of tile one size larger than existing line.

Replace in kind (size and type) or with 'PE' slotted pipe, a minimum of full capacity for all connected drain systems.

When multiple drains are connected to one outlet, the outlet is to provide

DR-121

DR-305

no additional cost to the Contracting Authority.

Type 1 connection at required, furnish and install a

When concrete culvert pipe of 2000D (Class III) or stronger is by the Engineer.

Cap blind ends of subdrains with a metal cap or as approved drains in a functional condition.

of existing tile drains in such a way as to leave the existing tile minimum of disturbance to existing field tile. Connect to lines

Install relocated or replacement subdrain so as to cause a existing line.

outside the ROW limits using the same size of pipe as access at each end of replaced tile line. Replace tile lines replacement schedule shown below. Install an inspection

Replace tile lines within the ROW limits according to the

.'C', provide the Standard Subdrain Outlet shown in subdrain to outlet into the roadway ditch, as shown in Case

Case 'B'. In cases where new construction requires existing limits, relocate the tile outside the ROW line, as shown in is more parallel to the roadway and within the construction more nearly right angle. Where the existing tile line alignment as shown in Case 'A', relocate the tile line to accomplish a roadway intersects the tile line in an undesirable alignment, project, or outlet them in a ditch or channel. Where the construction, replace them within the ROW limits of the

When the existing tile lines are intercepted by roadway

104-5C

Possible Tabulation:

Subdrain Outlet

Standard Subdrain

Possible Contract Items:

4146.03

Standard Specifications.

of theground. Use PVC meeting the requirements of Article

4 inch diameter inspection access with cap. Minimum of 3 feet above corrugated pipe (Manning's Formula) assuming a 0.20% slope with n=0.013 for concrete pipe and n=0.025 for

Replacement sizes provide equivalent capacity based on a 6 inch settlement see DR-305.

Standard Subdrain Outlet

DR-302

REVISION

4-18-23

SHEET 1 of 1

REVISIONS: Added note 3. Renumbered notes 4-8.

APPROVED BY DESIGN METHODS ENGINEER

STANDARD ROAD PLAN

(FARM TILE REPLACEMENT)

STANDARD

SUBDRAINS

1 2 3

1 2 3 1 2 3 connection is approved by the Engineer.

A t-fitting or saddle connection is required unless an alternate

DR-305

DR-121

4146.03

104-5C

Traffic Control

Possible Contract Item:

TC-402

TC-202

SLOW-MOVING OPERATION

VEHICLE STOPPED ON SHOULDER FOR LESS THAN ONE HOUR

1000'

Direction of Traffic

Traffic Sign

LEGEND

Pickup

PickupPickup

48" x 48"

W21-6

SURVEY

CREW

48" x 48"

W20-1

ROAD

WORK

AHEAD

TC-402

TC-202

or For work lasting longer than one hour, refer to strobe light.

Equip all vehicles with an amber revolving light or amber whenever appropriate.

lane as possible. Entrances and driveways should be used

When parked, locate vehicles as far from the open traffic

Do not allow work to interfere with the flow of traffic.

TC-1

REVISION

10-15-19

SHEET 1 of 1

REVISIONS:New logo.

APPROVED BY DESIGN METHODS ENGINEER

STANDARD ROAD PLAN

(TWO-LANE OR MULTI-LANE)

WORK NOT AFFECTING TRAFFIC

http://www.iowadot.gov/design/SRP/IndividualStandards/etc402.pdf http://www.iowadot.gov/design/SRP/IndividualStandards/etc202.pdf

END

ROAD WORK

48" x 24"

G20-2A

ROAD

WORK

AHEAD

48" x 48"

W20-1

SHOULDER

DROP

OFF

48" x 48"

W8-9A

END

ROAD WORK

48" x 24"

G20-2A

ROAD

WORK

AHEAD

48" x 48"

W20-1

Traffic Control

Possible Contract Item:

Shoulder Line

5 devices

Length of Work Area

LEGEND

Traffic Sign

Work Area

Direction of Traffic

A B C T

100'40'250'500'

700' 350'

500'1000'

80'

100' 200'

200'

40 - 45

50 or greater

35 or less

(mph)

SPEED

LIMIT

Spacing = C

1107.08

42" Channelizer

1107.08.L2

1107.08 strobe light.

foot centers or use a vehicle with an amber revolving light or amber

For work areas less than 200 feet long, use channelizers spaced at 20

Specifications does not apply. Reduce channelizer spacing to 40 feet.

of the Standard temporary fillet requirement of Article

When the length of a pavement edge drop-off is 1000 feet or less, the

TC-202

REVISION

04-21-15

SHEET 1 of 1

REVISIONS:

block with the new version.

Modified general notes, changed title and replaced the DOT logo in the title

APPROVED BY DESIGN METHODS ENGINEER

STANDARD ROAD PLAN

OF TRAVELED WAY

WORK WITHIN 15 FT

1107.08.L2

For work lasting less than one hour, refer to TC-1.

of the Standard Specifications.

Shoulder edge drop-offs shall be mitigated according to Article during non-working hours.

No pavement edge drop-offs greater than pavement depth will be allowed sign.

When a pavement edge drop-off exists, install a SHOULDER DROP-OFF http://www.iowadot.gov/erl/current/GS/content/1107.pdf http://www.iowadot.gov/erl/current/GS/content/1107.pdf

35 or less

40 - 45

Direction of Traffic

(mph)

50 or greater

5 devices

Spacing = C

2000'

Max.

F + G

50'

100'

200'-300'

40'

80'

100'

500'-3000'

0'-200'

42" Channelizer

Flagger

Traffic Sign

Work Area

Max.

3500'

3700'

4000'1000'-3000'

700'-3000'

250'

350'

500'

A A

150'-300' A A

END

ROAD WORK

48" x 24"

G20-2A

END

ROAD WORK

48" x 24"

G20-2A

ROAD

WORK

AHEAD

48" x 48"

W20-1

48" x 48"

W20-4

ONE LANE

ROAD

AHEAD

ROAD

WORK

AHEAD

48" x 48"

W20-1

48" x 48"

W20-4

ONE LANE

ROAD

AHEAD

48" x 48"

W20-7A

48" x 48"

W20-7A

LEGEND

Range

F and GLIMIT

SPEED

Mile Max.

Traffic Control

Flaggers

Possible Contract Items:

TC-213

REVISION

10-15-19

SHEET 1 of 1

REVISIONS:New logo.

APPROVED BY DESIGN METHODS ENGINEER

STANDARD ROAD PLAN

LANE CLOSURE WITH FLAGGERS

TC-214TC-214. If length of work area exceeds 1/4 mile, use the minimum and the other value at its maximum.

Maximum movement can be achieved by setting one F or G value at signs, F and G distances may be varied within the limits of the table.

However, to allow advancement of the work area without moving

Keep F and G distances as near to minimum values as work permits.

https://iowadot.gov/design/SRP/IndividualStandards/etc214.pdf

FOR DEPARTMENT USE ONLY

APPLICATION AND AGREEMENT FOR USE OF

HIGHWAY RIGHT-OF-WAY FOR UTILITIES ACCOMMODATIONForm 810025 (03-16)

APPLICANT (INDIVIDUAL OR COMPANY)

INSTALLATION TO BE ACCOMMODATED

Approval is hereby requested to enter within the state highway right-of-way for the accommodation of a utility installation as detailed on the attachments and further described as follows.

Permit Number 60U-2024-003

First Name Phone Number

Ext.

Last NameMiddle Initial

Street Address

ZIP CodeStateCity/Town

Company Name Phone Number

Highway Number

IA 9

DOT Project Number

FA-110AF

Expiration/Completion Date December 31, 2025

County Lyon e-Mail Address Secondary e-Mail Address

The installation shall consist of:

Installation of a 8" Tile crossing under IA 9 at DOT STA: 1103+50 MP:17.49 in Lyon County. Encasement pipe to be installed. Crossing will be connected to a 6" tile on the north and south side of IA 9.

and shall be located as shown on the detailed plan attached hereto. (See current Iowa Department of Transportation Utility Accommodation Policy for submittal of detailed plan requirements. See Section 115.8 (3).)

WORK SITE LOCATION

The proposed work as described above is located in Section , Twp. , Range on Highway No. generally located (miles)

(direction) from (city, county line, or other landmark).Work proposed is more specifically located as being from (Milepost #) and (Highway Station) to (Milepost #) and (Highway Station) on the side of highway.

1 . 36

46W the IA 9 & K42 intersection west of Rock Rapids

17.49

17.49 Both1103+50

1103+50 east.45IA 9

99N , 100N http://www.iowadot.gov/traffic/pdfs/UtilityPolicy.pdf

Disclosure Statement: The information furnished on this form will be used by the Department of Transportation to determine approval or denial of the application. Failure to provide all pertinent information will result in denial of the application. Information furnished is public information and copies may be provided to the public upon request.

The utility company, corporation, applicant, permit holder or licensee, (hereinafter referred to as the Permit applicant) agrees with the Iowa Department of Transportation (hereafter referred to as the Department) that the following stipulations and those special requirements as listed on this document shall govern under this permit after it is approved by the Department.

A. General

1. The installation shall meet the requirements of local municipal, county, state, and federal franchise rules and regulations, regulations and directives of the Iowa State Commerce Commission; the Iowa Department of Natural Resources, all rules and regulations of the Department and any other laws or regulations applicable.

2. The Permit Holder shall be fully responsible for any future adjustments of the facilities within the established highway right-of-way caused by highway construction or maintenance operations.

3. As per Section 115.8(8) of the Utility Accommodation Policy, As-Built plans are due within 90 days after completion of construction, the utility owner shall submit to the district representative an as-built plan.

4. The work described in this permit shall be completed as proposed in compliance with the stipulations and special requirements within one year from the date Department approval is received for said request. Failure on the part of the Permit Holder to abide by the stipulations or in constructing the work described as stipulated and within the time frame stated shall render this agreement and request null and void. The Permit Holder also agrees to save the State of Iowa and the Department harmless of any damages or losses that may be sustained by any person, or persons, on account of the conditions and requirements of this agreement.

5. Non-compliance with any of the terms of the Department's policy, permit, or agreement, may be considered cause for shut-down of construction operations, revocation of the permit, or withholding of relocation reimbursement and/or withholding of future application approvals until compliance is confirmed. The cost of any work deemed necessary to be performed by the State in removal of non-complying construction will be assessed against the Permit Holder.

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2. Before beginning any work in the highway right-of-way, it is the responsibility of the Permit Holder to obtain an easement from the drainage district if necessary. The Department assumes no responsibility for advising the Permit Holder of each location of a drainage district crossing. It is the Permit Holder's responsibility to locate these crossings and obtain any necessary easements or permission from the drainage district. See Code of Iowa, Chapter 468 for additional information.

3. A copy of the approved permit shall be available on the job site at all times for examination by Department personnel.

4. Operations in the construction and maintenance of this utility installation shall be carried on in such a manner as to cause minimum interference to or distraction of traffic on said highway.

6. The applicant shall seed and mulch all disturbed areas within the highway right-of-way and shall be responsible for the vegetative cover until it becomes well established. Any surfaced areas such as driveways or shoulders and sodded waterways and plantings which are disturbed shall be restored to their original condition. Any damage to any other underground facilities during installation shall be repaired at the permit holder's expense.

7. All personnel in the highway right-of-way shall wear ANSI 107 Class 2 apparel at all times when exposed to traffic or construction equipment.

8. As per Policy Section 115.4(9) parking or storage in the clear zone is prohibited. When not in actual use, vehicles, equipment and materials shall not be parked or stored within the clear zone or median.

9. Unless specifically noted in Special Requirements section, all work performed within the right-of-way shall be restricted to 30 minutes after sunrise to 30 minutes before sunset.

10. Pedestals shall be placed within 12 inches of the right-of-way line.

11. All above and below ground appurtenances (pedestals, hydrants, drains, accesses, etc.) shall be marked with high visibility posts and signs. The minimum height requirement for the signs shall be 5 foot. Urban Roadway Sections may be exempted with department approval.

C. Liability

1. To the extent allowable by law, the Permit Holder agrees to indemnify, defend, and hold the Department harmless from any action or liability arising out of the design, construction, maintenance, placement of traffic control devices, inspection, or use of the Permit Holder's facilities. This agreement to indemnify, defend, and hold harmless applies to all aspects of the Department's application review and approval process, plan and construction reviews, and funding participation.

2. The Permit Holder shall indemnify and save harmless the State of Iowa, its agencies and employees, from any and all causes of action, suits at law or in equity, for losses, damages, claims or demands, and from any and all liability and expense of whatsoever nature, arising out of or in connection with the Permit Holder's use or occupancy of the public highway.

3. The State of Iowa and the Department assume no responsibility for damages to the Permit Holder's property occasioned by any construction or maintenance operations on said highway if the facilities are not located in accordance with this permit.

4. The State of Iowa, its agencies or employees, will be liable for expense incurred by the Permit Holder in its use and occupancy of the highway right-of-way only when negligence of the State, its agencies or employees, is the sole proximate cause of such expense.

Whether in contract, tort or otherwise, the liability of the State, its agencies and employees, is limited to the reasonable, direct expense to repair damaged utilities, and in no event will such liability extend to loss of profits or business, indirect, special, consequential or incidental damages.

D. Notification

1. The Permit Holder is responsible for contacting Iowa One-Call (1-800-292-8989) and request the location of all underground utilities forty-eight (48) hours before excavation. Before beginning work in the highway right-of-way, the Permit Holder shall also contact any other known utility located in the area of the proposed work.

2. The Permit Holder agrees to give the Department forty-eight (48) hour notice of its intention to start construction or to perform routine maintenance on the highway right-of-way. Said notice shall be made to the local DOT contact person whose name is shown on Page 3.

3. 511 Notification-In accordance with Iowa Code section 321.348, cities and utilities may not obstruct or close primary highways or primary highway extensions (State highways within city limits) without prior consent of the Iowa DOT, except in emergency situations. Before setting up a lane closure or a vertical/horizontal restriction of any kind on a primary highway, call your local Iowa DOT Maintenance garage and call the Traffic Management Center per attached documents. Except in emergency situations, a 10 day advance notice is required.

Permit Number:

E. Buy America

Buy America applies to relocations of utility facilities that must move due to highway projects under certain specific conditions that include reimbursable locations and relocations due to interstate projects.

Please contact the Department's District Engineering Operation Technician (EOT) for more information on Buy America requirements or visit the following link: http://www.iowadot.gov/traffic/utility/utility.html

B. Construction and Maintenance

1. The location, construction and maintenance of the utility installation covered by this application shall be in accordance with the current Department's Utility Accommodation Policy. http://www.iowadot.gov/traffic/pdfs/UtilityPolicy.pdf

5. Traffic protection shall minimally be in accordance with Part VI of the current Manual on Uniform Traffic Control Devices for Streets and Highways. The applicant shall be responsible for correctly using traffic control devices including signs, warning lights, and channelizing devices as needed while work is in progress or the clear zone is impacted. Flagging operations are the responsibility of the applicant. The Department's TC XXX Series Standards are the preferred traffic control specification plans.

http://www.iowadot.gov/design/stdplne_tc.htm http://www.iowadot.gov/traffic/utility/pdfs/511UtilityNotification.pdf awiertz Typewritten Text 60U-2024-003

County- Lyon

Route- IA 9

Loca�on Descrip�on- West of Rock Rapids

Begin RP- 17.49

End RP- 17.49

Type of work- Subdrains

By office/District- District 3

ROW Required- No

Project Code :

Project Number : STPN-009-1(065)--2J-60

Work Code : 3542-Subdrains

Project Directory : 6000901025

Project Descrip�on- 8” Tile Crossing Lyon County

DOT Contact(Project Manager)-

Staff Ac�on- 33-20250124

TC Standards- TC-1, TC-202, TC-213

1. Typical Specification Language may include:

a. Contractor to supply all labor, materials, and equipment to install 120 feet of 8” diameter tile across highway IA 9 and Station 1103+50 (RP 17.49)

b. The section of tile crossing under the highway from toe of foreslope to toe of foreslope shall be installed via trenchless construction. The trenchless construction shall meet the Iowa DOT’s Standard Specifications for Highway and Bridge Construction series 2015 with GS-15011 supplemental. The trenchless portion shall meet section 2553.

c. The balance of the crossing may be installed via open trench construction using like materials as the trenchless construction. Trenched construction shall meet section 2552.

d. Contractor to connect the new tile crossing to the existing tile per Iowa DOT Standard Road Plan DR-122.

e. Installation of inspection access will be completed per Standard Road Plan DR-302.

f. Materials shall meet one of the following requirements:

i. Section 2553.02 A.2.b. Restrained Joint Ductile Iron Pipe or Restrained Joint PVC Pipe.

ii. Section 2553.02 B. Casing Pipe with a minimum wall thickness of 0.375 inches.

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Callout Lyon R.E.C.

awiertz Callout Lyon & Sioux R.W.S awiertz Callout Premier Communications awiertz Callout

6" TILE

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6" TILE

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6" TILE

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PROPOSED ENCASEMENT PIPE

PROPOSED 8" CARRIER PIPE

120 L.F. @ 2.00 %

DOT STA: 1103+50

MILE POST: 17.49

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ROW

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IA 9

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IA 9

awiertz Text Box 1-T99N-R46W awiertz Text Box 36-T100N-R46W awiertz Line awiertz Typewritten Text

NORTH

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GROUND= 1442.04'

FL= 1438.04'

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GROUND= 1437.47'

FL= 1435.64'

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PRO CROSSING DOT STA: 1103+50

MP: 17.49

Iowa DOT Request for Quote

Specifications (1).pdf

etc001.pdf

etc001

etc202.pdf

etc202-001.pdf

etc213.pdf

etc213

Utility Permit #60U-2024-003.pdf

Chad Teslaa Tile Crossing

Crossing Plan.pdf

FA-110AF.pdf

File details come from the government source that posted it. Updated May 8, 2025.