Any specific contract clauses or safeguards I should include?

I did not include vacancy, repairs, management, and other cost, When determining what I was going to rent them out for.The one critical thing you never told us is what is the current rent and what is the current market rent.

New kitchen, bathroom, counter tops and appliances throughout the home, including new HVAC.

., the 2006 or 2009 IECC — International Energy Conservation Code).Cost Considerations for a 90-unit or 112-unit Project:The actual cost of qualifying for the 45L tax credit depends on various factors, including:Energy Efficiency Compliance: The primary cost will come from ensuring that each unit meets the required energy efficiency standards, which typically involve energy modeling, certification from third-party energy raters, and potentially upgrading insulation, HVAC systems, windows, and other components of the building to meet the necessary performance levels.Energy Modeling: Typically, you'll need to pay for an energy consultant or engineer to model the building's energy performance and ensure it qualifies for the credit.

You clearly have factored this in already.

I didn't have enough space in the Title:Novations where the investor uses a Limited Listing that puts them as the primary contact for scheduling showings, receiving/accepting offers and negotiating are brokering without a license.Novations where the investor actually hires a real estate broker to handle the aforementioned for the seller are not included. 

Here’s a breakdown of some of the information you may need to provide for a cost segregation study.For existing buildings:List of equipment on the propertyProperty settlement stateAny appraisals or purchase/lease agreements Property maps or blueprintsSchedules, change orders or documents for future renovation plansSupporting documents for calculating real property book valuePrevious purchase price allocations that separated assets into their appropriate allocation and valuePast site inspections and photographsDocumentation that proves or records deterioration of assetsFor new construction:Contracts or contract paymentsLand and property sizeBlueprints of projectList of equipment involved or purchasedList of projected costs including costs for land developmentApplicable site inspectionsConstruction schedules and payment requestsPhotographs of completed assets or work in progressCost segregation specialists typically have an organized plan for the collection and analysis of the information provided.

This includes trips to properties for evaluations, trips to Home Depot, etc. 

I would project, 6 months, so if there are holding costs $2,270 a month (not including utilities), with utilities in about $2750.00. $2750x6 months= $16,500..

There are at least two I found on a quick google search including Central Indiana Real Estate Investors Association (CIREIA) and INDIANA REAL ESTATE INVESTORS ASSOCIATION.