RE: Question about pitch of underground drainage pipe. Usually perforated pipes are bedded in gravel. When water accumulates in the gravel it'll bubble up in the perforated pipe and at some point it'll discharge out the end. Perforated pipes do not need to be placed on a design slope like a gravity pipe.
Funeral procession arriving at the church. The coffin is covered with an elaborate red pall. A pall (also called mortcloth) is a cloth that covers a casket or coffin at funerals. The word comes from the Latin pallium (cloak), through Old English. It is also a stiffened square card covered with white linen, usually embroidered with a cross or some other appropriate symbol.
The term pallbearer is used to signify someone who bears the coffin which the pall covers. Some traditions distinguish between the roles of pallbearer and casket bearer. The former is a ceremonial position, carrying a tip of the pall or a cord attached to it. The latter do the actual heavy lifting and carrying. pallbearer in the USA will carry a casket by the handles, and at around waist height. In the United Kingdom, Canada, and Ireland, the casket is carried on the shoulders, and the handles are for the most part decorative.