Unless otherwise provided by contract, the political subdivision or institution within the University System of Georgia which furnishes any equipment pursuant to this chapter shall bear the loss or damage to such equipment and shall pay any expense incurred in the operation and maintenance thereof. Unless otherwise provided by contract, the political subdivision or institution within the University System of Georgia furnishing aid pursuant to this chapter shall compensate its employees during the time of rendering of such aid and shall defray the actual travel and maintenance expenses of such employees while they are rendering such aid. Such compensation shall include any amounts paid or due for compensation due to personal injury or death while such employees are engaged in rendering such aid.