The whole of the vacant lot between the brick house hereby conveyed, and the house on the lot, late belonging to _________, deceased, which last mentioned house is now occupied by _________, is to be appropriated for a carriageway forever, for the benefit of the two properties between which it is situated, and running back to within _________ feet of the rear line, which carriageway or alley is to be kept free at all times from all rubbish, nothing to be thrown there but clear water, and each of the above mentioned properties, the house and the lot of land hereby conveyed, and the house and lot of land where _________ now resides, to have a private side alley, with gates affixed to them, and a double gate is to be made to the entrance of the wagon or carriage-way, which alterations or improvements are to be made as soon in ensuing spring and summer as the parties to this deed may deem expedient, the work to be done by _________ and each party to pay a proportion of keeping the same in repair.