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Fiber Transport Network - Central Iowa
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Middle MileConsortium

Fiber Transport Network

Regional Interconnect | 42.6-Mile Route

Central Iowa|42.6 miles
Client
Municipal Utility Consortium (28E)
Role
Prime Contractor – OSP Construction
Project Type
Fiber Transport / Regional Interconnect
Network Technology
48-Count Single Mode Fiber Optic
Compliance
Iowa Code Chapter 573; SUDAS 2022
Contract Structure
Unit Price / Lump Sum with Phased Completion
Warranty
12-Month Maintenance Guarantee
Scope of Work

Kramer Service Group partnered with a municipal utility consortium to construct a 42.6-mile fiber optic transport network connecting two Central Offices in Central Iowa.

The project represented a critical regional interconnect initiative undertaken through a 28E Agreement for Joint Public Improvement.

KSG delivered complete outside plant construction encompassing conduit installation, fiber optic cable placement, splicing, and testing across 206,080 feet of new conduit plus fiber installation through 18,894 feet of existing conduit.

Capabilities Applied
  • Horizontal Directional Drilling (HDD) – 102,979 LF
  • Rural Vibratory Plow / Trench – 103,101 LF
  • Major River Crossing via HDD – 992 LF (Des Moines River)
  • HDPE Conduit Installation (1.5" and 2")
  • Vault Installation – 102 units
  • Fiber Optic Cable Installation – 236,674 LF total
  • Fiber Optic Splicing – 720 strand splices
  • Fusion Splice Testing (0.15 dB spec)
  • OTDR and Bi-Directional Power Meter Testing
  • Locate System Installation – 28 test stations
  • Conduit Mandrel Proofing
  • GPS As-Built Documentation
Project Highlights

Multi-Environment Construction

34,578 feet of urban HDD, 68,401 feet of rural HDD, and 103,101 feet of rural plow/trench installation across distinct construction environments.

Des Moines River Crossing

992-foot HDD crossing using 2" HDPE SDR 11 conduit with environmental compliance for Iowa DNR and USEPA slurry disposal requirements.

Structured Testing Protocol

Conduit mandrel proofing at 80% ID with 600 lb break-away safeguards. Bi-directional OTDR traces delivered in SOR format.

Comprehensive Locate System

28 test stations with shield bonding, ground rods, and tracer wire—verified through electrical continuity testing at 512 Hz.

Conclusion

Kramer Service Group delivered a fully operational 42.6-mile fiber transport network connecting two municipal Central Offices. The project encompassed over 206,000 feet of new conduit, 48-count fiber installation, and a comprehensive locate system—all in compliance with SUDAS 2022 and Iowa Code Chapter 573.

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