CHAPTER 1163 Design Standards

(a) The Design Criteria and Construction Standards and Drawings along with 100% performance surety and 10% maintenance surety shall apply to all public improvement construction projects that will eventually be taken over by the City of Urbana. The 100% performance surety and 10% maintenance surety shall follow the regulations in the City of Urbana Subdivision Regulations even if a major subdivision is not applicable.

(b) The Developer/Owner shall design and construct improvements not less than the standards outlined in the City of Urbana Subdivision Regulations and this document. The work shall be done under the City’s supervision and shall be completed within the time fixed or agreed upon by the City.

(c) It is the responsibility of the Developer/Owner and his engineer to investigate local conditions that may require additional improvements.

(d) In the event any conflicting standards are encountered, the most restrictive shall always apply as determined by the City of Urbana.

(e) Upon request of the Developer/Owner or his representative, the City will evaluate requests to provide open excavation of existing utilities to allow accurate elevation information.

(Ord. 4206. Passed 1-24-06.)

1163.02 CONSTRUCTION PROCEDURES AND MATERIALS.

(a) Pre-Construction Meeting. A pre-construction meeting with the City is required. The Developer/Owner, his contractor, his engineer, and representatives from utility companies involved shall be present at the meeting. It shall be the Developer’s responsibility to arrange the preconstruction meeting.

(b) Materials. All work and materials shall conform to the Ohio Department of Transportation, (ODOT) Construction and Material Specifications, and the Standards and Specifications of the City of Urbana, Ohio.

(1) Definition. “Inspect”, “inspection” is the visual observation or observation by instrument of construction to permit the City or its representative to render his or her professional opinion as to whether the contractor is performing the services in a manner indicating that, when completed, the services will be in accordance with the City of Urbana Subdivision Regulations, Construction Standards and Drawings, and Design Criteria. Such observations shall not be relied upon in any part as acceptance of the services, nor shall they relieve any party from fulfillment of customary and contractual responsibilities and obligations.

(2) Periodic inspection. Periodic inspection during the installation of improvements shall be made by the City to ensure conformity with the approved plans and specifications as required by these and other regulations. The Developer/Owner shall notify proper City officials at least twenty-four (24) hours before each phase of the improvements is ready for inspection. The presence and/or absence of an inspector during construction shall not relieve the Developer/Owner and/or contractor from full responsibility of required improvements to the City of Urbana Construction Standards and Drawings and to the satisfaction of the City.

(3) Inspections shall be as follows:

A. Sanitary sewer.

1. Sanitary pipe and manhole installation

2. Lateral location

3. Proper backfill installation

4. Air test sanitary lines

5. Vacuum test manholes

6. Deflection test on PVC sewers

B. Water main.

1. Water main installation

2. Valve installation

3. Hydrant installation

4. Restraining glands and/or blocking installation

5. Service installation and location

6. Pressure test

7. Disinfection

8. Proper backfill installation

C. Storm sewer.

1. Storm sewer installation

2. Manhole and catch basin installation

3. Field tile connections

4. Proper backfill installation

5. Individual storm outlet location, if applicable

D. Roadway.

1. Subgrade preparation

2. Subgrade undercutting

3. Subbase installation

4. Street coring operations

5. Curbing installation

6. Sidewalk and approach installation

7. Prime coat application

8. Asphalt installation

(4) Weight and delivery tickets shall be furnished to the City to substantiate the type, quantity, and size of material used.

(d) Responsibility. All work shall be under the control and supervision of the Developer/Owner until written final approval is given by the City.

(e) Final Inspection. Upon completion of all the improvements, the Developer/Owner shall request, in writing, a final inspection by the City. The final inspection shall be performed by officials from the City with the Developer. The Developer’s engineer and the Developer’s contractor will be present.

SUBDIVISION INSPECTION

SUBDIVISION ___________________________________________________________

DATE ____________________________ INSPECTOR _______________________

This list could vary depending upon the types of construction included in the project. This is a sample list (not all-inclusive) of items in which an inspector may utilize.

	DESCRIPTION	REMARKS
A.	PRIOR TO INSPECTION
	Review plans, special provisions, construction & material manuals and specifications that apply to your assigned duties.
	Discuss your responsibility & authority with the project engineer.
	Discuss notification, changes, connections, delays, rejections, and tolerances.

	DESCRIPTION	REMARKS
B.	PRE-CONSTRUCTION CONFERENCE
	Attendees: City Representatives, Developer/Owner, Engineer, Contractor, Superintendent, Foreman, Utility Companies
	Discuss phasing & schedules
	Discuss materials
	Discuss coordination
	Discuss safety (public & job)
	Discuss responsibilities
C.	SANITARY SEWER & LATERALS TO R/W
	Check pipe type & quality
	Trench condition
	Straight alignment & joints
	Bedding
	Proper initial backfill
	Proper backfill
	Prohibit groundwater from entering sanitary
	Wye installation & location
	Air test mainline & laterals
	Mandral test on PVC

D.	SANITARY MANHOLE
	Check type & condition
	Steps condition & alignment
	Cone type & condition
	Risers precast/mastic
	Casting - rim & lid
	Proper pipe connection
	Installation with O-rings
	Installation on good base
	Proper backfill, compacted granular under or near roadway
	Exfiltration test
	Rim & risers to proper finish grade
	Chimney Seal
E.	WATER MAIN
	Type & condition
	Valve type & condition
	Hydrant type & condition
	Trench condition
	Pipe alignment & joints
	Air release valves
	Isolation Valve installation & location
	Hydrant assemble installation & location
	Restrained, as needed
	Bedding
	Initial backfill, compacted granular
	Proper backfill, compacted granular under or near roadway
	Pressure test
	Purification test
	Valve & hydrant operation
	Laterals: Corp stop K-copper Curb stop Meter set Compacted granular backfill Proper backflow prevention Backflow prevention devices

DESCRIPTION

REMARKS

F.	STORM SEWER
	Check pipe type, size, & quality
	Check catch basin & grate type, size, & quality
	Check manhole type, size, & quality
	Trench condition
	Straight alignment & joint sealing
	Bedding
	Proper initial backfill
	Proper backfill, compacted granular under or near roadway
	Proper connection to catch basin & manholes
	C.B. set in good horizontal & vertical alignment with curbs
	Slope & grade: Review control stakes & adjacent terrain for drainage.
	Field tile & other pipes reconnected & noted on plans
G.	ROADWAY
	Subgrade:
	All topsoil removed in roadway
	Compacted granular or clay fill only
	Proper cross slope
	Proper elevation
	Free of roots, large stones, & excess dust
	Proper compaction
	Proofroll or density test, if soft undercut and/or underdrains.
	Subbase:
	Proper material
	Compacted in appropriate layers
	Density test, if soft
	Protect subgrade from being rutted or damaged (back in over subbase & blade, if necessary)
	Proofroll subbase before prime coat
	Measure elevation & cross slope
	Surface:
	Appropriate moisture & temperature conditions
	Visual inspection of material (be aware of acceptable temperature range of mix & compensation)
	Proper distribution & roller
	Proper prime coat
	Lay in proper layer
	Watch joints & overlaps
	Seal against concrete curbs, etc.
	Measure elevation & cross slope
	Keep traffic off for 24 hours, if possible

DESCRIPTION

REMARKS

H.	FIXED STRUCTURES, CURBS, SIDEWALK, HEADWALL, ETC.
	Determine proper concrete mix
	Appropriate moisture & temperature conditions
	Check all underground portions
	Check backfill, operation, & material
	Check subgrade
	Check subbase under curbs
	Review requirements for reinforcing steel
	Check all reinforcement
	Check all dowels
	Check for expansion joints
	Be aware of time concrete was batched & allowable time for placement
	Observe mix & placement
	Observe finishing procedure
	Needs curing material ASAP
	If required, check cold weather protection
	Needs saw joints ASAP
	Note when forms are removed
I.	MISCELLANEOUS
	Keep daily logs
	Pre-mark all existing utilities
	Reconnect all existing utilities
	Mark ends of all laterals in field-Contractor’s responsibility
	Mark ends of all laterals on plans
	Restoration
	Grade to drain
	Check trench settlement
	Seeding & Mulching
	Erosion Control
	Inlets
	Outlets
	Curb lines
	Ditches
	Basins
	Final check for debris & flow
	Sanitary sewer
	Storm sewer, manhole, & catch basin
	Curb lines

(Ord. 4206. Passed 1-24-06.)

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